Abstract

We proposed and demonstrated an all-fiber laser to generate cylindrical vector beam. A pair of fiber-based collimators was used to select the cylindrical vector beam operating. The radially and azimuthally polarized modes can be switchable just by applying pressure to a section of fiber in our fiber laser system. A 70 cm long Yb-doped fiber was used as gain medium and the lasing wavelength was around 1030 nm.

©2010 Optical Society of America

1. Introduction

In the past two decades, the unique properties of vector beams especially those with cylindrical vector (CV) symmetry, radial polarization (RP) or azimuthal polarization (AP), have attracted more and more interests. Electric field distributions focusing through high numerical aperture have different characters for RP and AP beam. For radially polarized beam, the existence of a large longitudinal field component may lead to a smaller focal spot. For azimuthally polarized beam, there is doughnut spot in focal plane of the objective lens [1].

Theoretical and experimental researches have demonstrated the useful applications of CV beams including single molecule imaging [2], atoms guiding [3], atom manipulation [4], optical tweezers [5,6], material processing [7] and surface Plasmon exciting [8]. Various techniques, passively [913] and actively [1418], have been developed to generate such cylindrically polarized fields.

Fiber lasers have attracted greatly interests because of their high efficiency, compactness and flexibility. In previous fiber lasers [1418] for CV beams, a volume element was always used to select the desire polarization mode inside the laser cavity, which would increase the complexity of the system and instability of the laser output, unavoidably.

In this paper, we proposed and demonstrated an all-fiber laser to generate CV beam. The laser system was composed of a fiber loop mirror, 977 nm pump laser, 980/1060 nm WDM, a couple of fiber based collimators, polarization controller, Yb-doped fiber, and a section of few mode fiber. A couple of fiber-based collimators were used to select the cylindrical vector beam operating. The radially and azimuthally polarized modes can be switchable just to apply pressure to a section of fiber in our fiber laser system. A 70 cm long Yb-doped fiber was used as gain medium and the lasing wavelength was around 1030 nm.

2. Experimental setup

The experimental setup is illuminated in Fig. 1 . The laser system was composed of a fiber loop mirror, 977 nm pump laser, 980/1060 nm WDM, a couple of fiber based collimators, polarization controller, Yb-doped fiber, and a section of few mode fiber. A couple of fiber-based collimators were used to select the cylindrical vector beam operating in our fiber laser system. A 977 nm laser diode was used as pump laser to pump the Yb-doped fiber through 980/1060 nm WDM. A 70 cm long Yb-doped fiber with absorption of 470 dB/m was used as gain medium and the lasing wavelength was around 1030 nm. The corresponding NA and core diameter of Yb-doped fiber are 0.14 and 6 µm, respectively. In order to gain effective coupling between the fundamental mode and high order mode, one fiber collimator was selected for 1060 nm wavelength, while the other for 1550 nm wavelength. Red solid line illustrated in Fig. 1 is SMF-28 fiber, which is connected to the 1550 nm collimator. The cutoff wavelength of the SMF-28 fiber is about 1260 nm, that is say, the SMF-28 fiber is few-mode fiber for 1060 nm band. Misalignment in angle and transverse dimension were adjusted to excite high order mode in SMF-28 fiber. One of the cavity mirrors was a fiber loop mirror with the reflectivity of 80%, while the other was cleaved end face with reflectivity of 4%. The spectrum of fiber laser is measured using optical spectrum analyzer (Ando 6317B).

 figure: Fig. 1

Fig. 1 Experimental setup for generating CV beam.

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A linear polarizer was placed with optical axis paralleling the laser beam. The polarization analyzer used in our experiment was Glan prism. By rotating the polarizer, the intensity profiles in different polarization direction were recorded by CCD.

3. Results and discussions

Figure 2 (a) shows the intensity distribution of the fiber laser output. The doughnut-shaped beam indicates high order mode output. The fibers used in our experiment are two types, single mode fiber and few modes fiber (SMF-28) for 1060 nm band, only the fiber connecting to the 1550 nm collimator is SMF-28 fiber (highlight in red color in Fig. 1). To excite the high order mode in SMF-28 fiber, we adjusted the misalignment between two fiber collimators. Mode conversion takes place when the laser signal propagates from left collimator to right one, and vice versa.

 figure: Fig. 2

Fig. 2 Intensity profile distributions for radial symmetry beam: (a) without polarizer, (b)-(e) with linear polarizer in different polarized directions.

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As shown in Fig. 1, the red solid line represents SMF-28 fiber connected to the 1550nm collimator, and the black solid line represents the 1060 nm band single mode fiber connected to the 1060 nm collimator. In the laser cavity, the 1060 nm band single mode fiber can only support the fundamental mode, and SMF-28 fiber (Corresponding normalized frequency V is about 3.5 at 1030 nm) can support fundamental mode and high order mode. There exist two kinds of mode couplings from 1060 nm collimator to 1550 nm collimator. One is fundamental mode to fundamental mode (F-F coupling). The other is fundamental mode to high order mode (F-H coupling). The CV beam generation is corresponding to F-H coupling. If F-F coupling, the laser operated at regular state, no CV beam output was observed. In order to introduce the F-H coupling and obtain the CV beam, we misaligned the1060 nm and 1550 nm collimators. The misalignment is to excite high order mode in the few mode fiber, when light translates from 1060 nm collimator to 1550 nm collimator, which is similar to reference [19].

When a polarizer was inserted after laser beam, two lobs appeared in intensity profile. Figure 2(b)-(e) are intensity profile distributions for radial symmetry in different polarized direction. The white arrows indicate different polarization directions. Radial polarization property is proved where the arrow direction was orthogonal to the dark line of the intensity profile.

The output power variation as the pump power is shown in Fig. 3 . It can be seen in Fig. 3 that the curve stands the laser operating, the pumping threshold for the laser system is about 30 mW. When the pump power exceeded the threshold, the output power increased linearly according to the pump power. The laser behavior was demonstrated through the threshold characters. In consideration of the intensity distribution in Fig. 2, the output beam is laser beam with vector polarization property. The slope efficiency for our fiber laser is about 1.5%. We believe that the low slope efficiency is mainly owing to the loss of coupling and the coupling efficiency can be improved and tuned, and potential improvement will be achieved by using more precise instrument. We also measured the laser spectrum with pump power of 50 mW.

 figure: Fig. 3

Fig. 3 Laser output versus pump power.

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There was no filter in the laser cavity, the most possible oscillating wavelength is around the peak emission of Yb3+ ions. For Yb-doped fiber, the emission cross-section peak of Yb3+ ions is located near 1030nm [20]. Figure 4 shows the laser spectrum and the laser wavelength is about 1032nm under 50mW pump power.

 figure: Fig. 4

Fig. 4 Laser spectrum with 50 mW pump power.

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The polarization states of the CV beam, radial symmetry and azimuthal symmetry, can be switchable when apply the pressure to the SMF-28 fiber. Pressing the few mode fiber is to introduce transverse deformation, which will change the propagating constant βx and βy in the few mode fiber, as result, the coupling between TE mode and TM mode will be induced. Thus the switching between radial symmetry and azimuthal symmetry is obtained. The intensity profile distributions of azimuthal polarized beam are shown in Fig. 5(a)-(d) with linear polarizer in different polarized directions. Azimuthal polarization property is proved where the arrow direction was parallel to the dark line of the intensity profile.

 figure: Fig. 5

Fig. 5 Intensity profile distributions for azimuthal symmetry with linear polarizer in different polarized directions.

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By changing the polarization state via polarization controller, the spectrum could change from one peak to multi peaks. We have recorded multi-peak laser spectrum in long term laser spectra shown in Fig. 6 . The two peaks are around 1028nm and 1035nm, respectively. It should been noted that the output spectrum is stable when the CV beam generated in our fiber laser, either the spectrum with one peak or with multi-peak. The output spectrum was unstable when the fiber laser operated in regular polarization state because of the competition in homogeneous gain.

 figure: Fig. 6

Fig. 6 Multi-peaks output spectrum observed in the CV beam laser.

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4. Conclusions

In summary, CV beam with radial and azimuthal polarization was obtained from all-fiber structure laser with two fiber collimators as mode filter. By introducing misalignment of two fiber collimators, high order mode in few-mode fiber has been excited and oscillated in fiber cavity with sufficient gain. Fundamental mode was suppressed in this structure with proper transverse and angle misalignment.

According to our knowledge, it is the first time to report work of generating CV beam in all-fiber structure laser. Here we have to mention that the CV beam generated from laser is quasi-radial or azimuthal polarization where modal symmetry needs further improvements. The switching of the different polarization symmetry can be obtained by applying pressure to the few mode fiber and repeatable control of the switching will be optimized in the future work.

Acknowledgements

The authors acknowledge Professor Q. W. Zhan’s helpful discussion. The authors gratefully acknowledge financial support from the National Basic Research Program of China under Grant No. 2006cb302905, Chinese Universities Scientific Fund.

References and links

1. K. S. Youngworth and T. G. Brown, “Focusing of high numerical aperture cylindrical vector beams,” Opt. Express 7(2), 77–87 (2000). [CrossRef]   [PubMed]  

2. B. Sick, B. Hecht, and L. Novotny, “Orientational imaging of single molecules by annular illumination,” Phys. Rev. Lett. 85(21), 4482–4485 (2000). [CrossRef]   [PubMed]  

3. D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002). [CrossRef]  

4. S. M. Iftiquar, “A tunable doughnut laser beam for cold-atom experiments,” J. Opt. B Quantum Semiclassical Opt. 5(1), 40–43 (2003). [CrossRef]  

5. G. Volpe, G. P. Singh, and D. Petrov, “Optical tweezers with cylindrical vector beams produced by optical fiber,” Proc. SPIE 5514, 283–292 (2004). [CrossRef]  

6. Q. Zhan, “Trapping metallic Rayleigh particles with radial polarization,” Opt. Lett. 12, 3377–3382 (2004).

7. M. Meier, H. Glur, E. Wyss, Th. Feurer, and V. Romano, “Laser microhole drilling using Q-switched radially and tangentially polarized beams,” Proc. of SPIE. 6053, (2006)

8. A. Bouhelier, F. Ignatovich, A. Bruyant, C. Huang, G. Colas des Francs, J.-C. Weeber, A. Dereux, G. P. Wiederrecht, and L. Novotny, “Surface plasmon interference excited by tightly focused laser beams,” Opt. Lett. 32(17), 2535–2537 (2007). [CrossRef]   [PubMed]  

9. Z. Bomzon, G. Biener, V. Kleiner, and E. Hasman, “Radially and azimuthally polarized beams generated by space-variant dielectric subwavelength gratings,” Opt. Lett. 27(5), 285–287 (2002). [CrossRef]  

10. T. Grosjean, D. Courjon, and M. Spajer, “An all-fiber device for generating radially and other polarized light beams,” Opt. Commun. 203(1-2), 1–5 (2002). [CrossRef]  

11. G. Volpe and D. Petrov, “Generation of cylindrical vector beams with few-mode fibers excited by Laguerre–Gaussian beams,” Opt. Commun. 237(1-3), 89–95 (2004). [CrossRef]  

12. T. Hirayama, Y. Kozawa, T. Nakamura, and S. Sato, “Generation of a cylindrically symmetric, polarized laser beam with narrow linewidth and fine tunability,” Opt. Express 14(26), 12839–12845 (2006). [CrossRef]   [PubMed]  

13. D. Pohl, “Operation of a Ruby Laser in the Purely Transverse Electric Mode TE01,” Appl. Phys. Lett. 20(7), 266–267 (1972). [CrossRef]  

14. S. C. Tidwell, D. H. Ford, and W. D. Kimura, “Generating radially polarized beams interferometrically,” Appl. Opt. 29(15), 2234–2239 (1990). [CrossRef]   [PubMed]  

15. R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000). [CrossRef]  

16. Y. Kozawa and S. Sato, “Generation of a radially polarized laser beam by use of a conical Brewster prism,” Opt. Lett. 30(22), 3063–3065 (2005). [CrossRef]   [PubMed]  

17. K. Yonezawa, Y. Kozawa, and S. Sato, “Generation of a radially polarized laser beam by use of the birefringence of a c-cut NdYVO4 crystal,” Opt. Lett. 31(14), 2151–2153 (2006). [CrossRef]   [PubMed]  

18. V. G. Niziev, R. S. Chang, and A. V. Nesterov, “Generation of inhomogeneously polarized laser beams by use of a Sagnac interferometer,” Appl. Opt. 45(33), 8393–8399 (2006). [CrossRef]   [PubMed]  

19. A. W. Snyder, and J. D. Love, Optical waveguide theory (Chapman & Hall 1983), Chapter 20.

20. R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fiber amplifiers,” IEEE J. Quantum Electron. 33(7), 1049–1056 (1997). [CrossRef]  

References

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  1. K. S. Youngworth and T. G. Brown, “Focusing of high numerical aperture cylindrical vector beams,” Opt. Express 7(2), 77–87 (2000).
    [Crossref] [PubMed]
  2. B. Sick, B. Hecht, and L. Novotny, “Orientational imaging of single molecules by annular illumination,” Phys. Rev. Lett. 85(21), 4482–4485 (2000).
    [Crossref] [PubMed]
  3. D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
    [Crossref]
  4. S. M. Iftiquar, “A tunable doughnut laser beam for cold-atom experiments,” J. Opt. B Quantum Semiclassical Opt. 5(1), 40–43 (2003).
    [Crossref]
  5. G. Volpe, G. P. Singh, and D. Petrov, “Optical tweezers with cylindrical vector beams produced by optical fiber,” Proc. SPIE 5514, 283–292 (2004).
    [Crossref]
  6. Q. Zhan, “Trapping metallic Rayleigh particles with radial polarization,” Opt. Lett. 12, 3377–3382 (2004).
  7. M. Meier, H. Glur, E. Wyss, Th. Feurer, and V. Romano, “Laser microhole drilling using Q-switched radially and tangentially polarized beams,” Proc. of SPIE. 6053, (2006)
  8. A. Bouhelier, F. Ignatovich, A. Bruyant, C. Huang, G. Colas des Francs, J.-C. Weeber, A. Dereux, G. P. Wiederrecht, and L. Novotny, “Surface plasmon interference excited by tightly focused laser beams,” Opt. Lett. 32(17), 2535–2537 (2007).
    [Crossref] [PubMed]
  9. Z. Bomzon, G. Biener, V. Kleiner, and E. Hasman, “Radially and azimuthally polarized beams generated by space-variant dielectric subwavelength gratings,” Opt. Lett. 27(5), 285–287 (2002).
    [Crossref]
  10. T. Grosjean, D. Courjon, and M. Spajer, “An all-fiber device for generating radially and other polarized light beams,” Opt. Commun. 203(1-2), 1–5 (2002).
    [Crossref]
  11. G. Volpe and D. Petrov, “Generation of cylindrical vector beams with few-mode fibers excited by Laguerre–Gaussian beams,” Opt. Commun. 237(1-3), 89–95 (2004).
    [Crossref]
  12. T. Hirayama, Y. Kozawa, T. Nakamura, and S. Sato, “Generation of a cylindrically symmetric, polarized laser beam with narrow linewidth and fine tunability,” Opt. Express 14(26), 12839–12845 (2006).
    [Crossref] [PubMed]
  13. D. Pohl, “Operation of a Ruby Laser in the Purely Transverse Electric Mode TE01,” Appl. Phys. Lett. 20(7), 266–267 (1972).
    [Crossref]
  14. S. C. Tidwell, D. H. Ford, and W. D. Kimura, “Generating radially polarized beams interferometrically,” Appl. Opt. 29(15), 2234–2239 (1990).
    [Crossref] [PubMed]
  15. R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
    [Crossref]
  16. Y. Kozawa and S. Sato, “Generation of a radially polarized laser beam by use of a conical Brewster prism,” Opt. Lett. 30(22), 3063–3065 (2005).
    [Crossref] [PubMed]
  17. K. Yonezawa, Y. Kozawa, and S. Sato, “Generation of a radially polarized laser beam by use of the birefringence of a c-cut NdYVO4 crystal,” Opt. Lett. 31(14), 2151–2153 (2006).
    [Crossref] [PubMed]
  18. V. G. Niziev, R. S. Chang, and A. V. Nesterov, “Generation of inhomogeneously polarized laser beams by use of a Sagnac interferometer,” Appl. Opt. 45(33), 8393–8399 (2006).
    [Crossref] [PubMed]
  19. A. W. Snyder, and J. D. Love, Optical waveguide theory (Chapman & Hall 1983), Chapter 20.
  20. R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fiber amplifiers,” IEEE J. Quantum Electron. 33(7), 1049–1056 (1997).
    [Crossref]

2007 (1)

2006 (3)

2005 (1)

2004 (3)

G. Volpe and D. Petrov, “Generation of cylindrical vector beams with few-mode fibers excited by Laguerre–Gaussian beams,” Opt. Commun. 237(1-3), 89–95 (2004).
[Crossref]

G. Volpe, G. P. Singh, and D. Petrov, “Optical tweezers with cylindrical vector beams produced by optical fiber,” Proc. SPIE 5514, 283–292 (2004).
[Crossref]

Q. Zhan, “Trapping metallic Rayleigh particles with radial polarization,” Opt. Lett. 12, 3377–3382 (2004).

2003 (1)

S. M. Iftiquar, “A tunable doughnut laser beam for cold-atom experiments,” J. Opt. B Quantum Semiclassical Opt. 5(1), 40–43 (2003).
[Crossref]

2002 (3)

D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
[Crossref]

Z. Bomzon, G. Biener, V. Kleiner, and E. Hasman, “Radially and azimuthally polarized beams generated by space-variant dielectric subwavelength gratings,” Opt. Lett. 27(5), 285–287 (2002).
[Crossref]

T. Grosjean, D. Courjon, and M. Spajer, “An all-fiber device for generating radially and other polarized light beams,” Opt. Commun. 203(1-2), 1–5 (2002).
[Crossref]

2000 (3)

K. S. Youngworth and T. G. Brown, “Focusing of high numerical aperture cylindrical vector beams,” Opt. Express 7(2), 77–87 (2000).
[Crossref] [PubMed]

B. Sick, B. Hecht, and L. Novotny, “Orientational imaging of single molecules by annular illumination,” Phys. Rev. Lett. 85(21), 4482–4485 (2000).
[Crossref] [PubMed]

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

1997 (1)

R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fiber amplifiers,” IEEE J. Quantum Electron. 33(7), 1049–1056 (1997).
[Crossref]

1990 (1)

1972 (1)

D. Pohl, “Operation of a Ruby Laser in the Purely Transverse Electric Mode TE01,” Appl. Phys. Lett. 20(7), 266–267 (1972).
[Crossref]

Arlt, J.

D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
[Crossref]

Biener, G.

Blit, S.

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

Bomzon, Z.

Z. Bomzon, G. Biener, V. Kleiner, and E. Hasman, “Radially and azimuthally polarized beams generated by space-variant dielectric subwavelength gratings,” Opt. Lett. 27(5), 285–287 (2002).
[Crossref]

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

Bouhelier, A.

Brown, T. G.

Bruyant, A.

Chang, R. S.

Colas des Francs, G.

Courjon, D.

T. Grosjean, D. Courjon, and M. Spajer, “An all-fiber device for generating radially and other polarized light beams,” Opt. Commun. 203(1-2), 1–5 (2002).
[Crossref]

Davidson, N.

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

Dereux, A.

Dholakia, K.

D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
[Crossref]

Ford, D. H.

Friesem, A. A.

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

Grosjean, T.

T. Grosjean, D. Courjon, and M. Spajer, “An all-fiber device for generating radially and other polarized light beams,” Opt. Commun. 203(1-2), 1–5 (2002).
[Crossref]

Hanna, D. C.

R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fiber amplifiers,” IEEE J. Quantum Electron. 33(7), 1049–1056 (1997).
[Crossref]

Hasman, E.

Z. Bomzon, G. Biener, V. Kleiner, and E. Hasman, “Radially and azimuthally polarized beams generated by space-variant dielectric subwavelength gratings,” Opt. Lett. 27(5), 285–287 (2002).
[Crossref]

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

Hecht, B.

B. Sick, B. Hecht, and L. Novotny, “Orientational imaging of single molecules by annular illumination,” Phys. Rev. Lett. 85(21), 4482–4485 (2000).
[Crossref] [PubMed]

Hirayama, T.

Huang, C.

Iftiquar, S. M.

S. M. Iftiquar, “A tunable doughnut laser beam for cold-atom experiments,” J. Opt. B Quantum Semiclassical Opt. 5(1), 40–43 (2003).
[Crossref]

Ignatovich, F.

Kimura, W. D.

Kleiner, V.

Kozawa, Y.

Lancaster, G. P. T.

D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
[Crossref]

Livesey, J.

D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
[Crossref]

McGloin, D.

D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
[Crossref]

Nakamura, T.

Nesterov, A. V.

Nilsson, J.

R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fiber amplifiers,” IEEE J. Quantum Electron. 33(7), 1049–1056 (1997).
[Crossref]

Niziev, V. G.

Novotny, L.

Oron, R.

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

Paschotta, R.

R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fiber amplifiers,” IEEE J. Quantum Electron. 33(7), 1049–1056 (1997).
[Crossref]

Petrov, D.

G. Volpe and D. Petrov, “Generation of cylindrical vector beams with few-mode fibers excited by Laguerre–Gaussian beams,” Opt. Commun. 237(1-3), 89–95 (2004).
[Crossref]

G. Volpe, G. P. Singh, and D. Petrov, “Optical tweezers with cylindrical vector beams produced by optical fiber,” Proc. SPIE 5514, 283–292 (2004).
[Crossref]

Pohl, D.

D. Pohl, “Operation of a Ruby Laser in the Purely Transverse Electric Mode TE01,” Appl. Phys. Lett. 20(7), 266–267 (1972).
[Crossref]

Rhodes, D. P.

D. P. Rhodes, G. P. T. Lancaster, J. Livesey, D. McGloin, J. Arlt, and K. Dholakia, “Guiding a cold atomic beam along a co-propagating and oblique hollow light guide,” Opt. Commun. 214(1-6), 247–254 (2002).
[Crossref]

Sato, S.

Sick, B.

B. Sick, B. Hecht, and L. Novotny, “Orientational imaging of single molecules by annular illumination,” Phys. Rev. Lett. 85(21), 4482–4485 (2000).
[Crossref] [PubMed]

Singh, G. P.

G. Volpe, G. P. Singh, and D. Petrov, “Optical tweezers with cylindrical vector beams produced by optical fiber,” Proc. SPIE 5514, 283–292 (2004).
[Crossref]

Spajer, M.

T. Grosjean, D. Courjon, and M. Spajer, “An all-fiber device for generating radially and other polarized light beams,” Opt. Commun. 203(1-2), 1–5 (2002).
[Crossref]

Tidwell, S. C.

Tropper, A. C.

R. Paschotta, J. Nilsson, A. C. Tropper, and D. C. Hanna, “Ytterbium-doped fiber amplifiers,” IEEE J. Quantum Electron. 33(7), 1049–1056 (1997).
[Crossref]

Volpe, G.

G. Volpe and D. Petrov, “Generation of cylindrical vector beams with few-mode fibers excited by Laguerre–Gaussian beams,” Opt. Commun. 237(1-3), 89–95 (2004).
[Crossref]

G. Volpe, G. P. Singh, and D. Petrov, “Optical tweezers with cylindrical vector beams produced by optical fiber,” Proc. SPIE 5514, 283–292 (2004).
[Crossref]

Weeber, J.-C.

Wiederrecht, G. P.

Yonezawa, K.

Youngworth, K. S.

Zhan, Q.

Q. Zhan, “Trapping metallic Rayleigh particles with radial polarization,” Opt. Lett. 12, 3377–3382 (2004).

Appl. Opt. (2)

Appl. Phys. Lett. (2)

R. Oron, S. Blit, N. Davidson, A. A. Friesem, Z. Bomzon, and E. Hasman, “The formation of laser beams with pure azimuthal or radial polarization,” Appl. Phys. Lett. 77(21), 3322–3324 (2000).
[Crossref]

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Figures (6)

Fig. 1
Fig. 1 Experimental setup for generating CV beam.
Fig. 2
Fig. 2 Intensity profile distributions for radial symmetry beam: (a) without polarizer, (b)-(e) with linear polarizer in different polarized directions.
Fig. 3
Fig. 3 Laser output versus pump power.
Fig. 4
Fig. 4 Laser spectrum with 50 mW pump power.
Fig. 5
Fig. 5 Intensity profile distributions for azimuthal symmetry with linear polarizer in different polarized directions.
Fig. 6
Fig. 6 Multi-peaks output spectrum observed in the CV beam laser.

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