Abstract

A pulsed subnanosecond laser system is described which is tunable over the spectral range from 450 to 650 nm with a bandwidth of ~0.006 nm and can be operated with a repetition rate of up to 200 Hz. It consists of a mirror tuned distributed feedback dye laser which is directly pumped by a XeCl excimer laser. Fine tuning and accurate stabilization of the dye laser wavelength are performed by electronically controlling the temperature of the dye liquid. The long-time stability of the laser wavelength is 0.0028 nm; this is achieved by a novel mechanical and electronic arrangement.

© 1990 Optical Society of America

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References

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  1. W. Schade, G. Langhans, V. Helbig, “Lifetime Measurements of V ii Levels Using Tunable Subnanosecond UV-Dye-Laser Pulses,” Phys. Scr. 36, 890–894 (1987).
    [CrossRef]
  2. J. E. Lawler, S. Salih, “Radiative Lifetimes in Ni ii,” Phys. Rev. A 35, 5046–5050 (1987).
    [CrossRef] [PubMed]
  3. Z. Bor, “Amplified Spontaneous Emission from N2-Laser Pumped Dye Lasers,” Opt. Commun. 39, 383–386 (1981).
    [CrossRef]
  4. Z. Bor, “A Novel Pumping Arrangement for Tunable Single Picosecond Pulse Generation with a N2-Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 29, 103–108 (1979).
    [CrossRef]
  5. A. Muller, Z. Bor, “Farbstofflaser mit verteilter Rückkopplung zur Erzeugung von Picosekunden-Impulsen,” Laser Optoelektron. 3, 187–196 (1984).
  6. Z. Bor, F. P. Schafer, “New Single-Pulse Generation Technique for Distributed Feedback Dye Lasers,” Appl. Phys. B 31, 209–213 (1983).
    [CrossRef]
  7. J. Hebling, “Excimer Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 64, 539–543 (1987).
    [CrossRef]
  8. Z. W. Stryla, Poznan University, Poland, Institute of Physics; private communication.
  9. W. Schade, G. Langhans, B. Mundt, V. Helbig, “Determination of Atomic and Ionic Lifetimes from Time Resolved Fluorescence Signals,” Europhys. Conf. Abstracts 13C, Part I, 66 (1989).

1989 (1)

W. Schade, G. Langhans, B. Mundt, V. Helbig, “Determination of Atomic and Ionic Lifetimes from Time Resolved Fluorescence Signals,” Europhys. Conf. Abstracts 13C, Part I, 66 (1989).

1987 (3)

J. Hebling, “Excimer Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 64, 539–543 (1987).
[CrossRef]

W. Schade, G. Langhans, V. Helbig, “Lifetime Measurements of V ii Levels Using Tunable Subnanosecond UV-Dye-Laser Pulses,” Phys. Scr. 36, 890–894 (1987).
[CrossRef]

J. E. Lawler, S. Salih, “Radiative Lifetimes in Ni ii,” Phys. Rev. A 35, 5046–5050 (1987).
[CrossRef] [PubMed]

1984 (1)

A. Muller, Z. Bor, “Farbstofflaser mit verteilter Rückkopplung zur Erzeugung von Picosekunden-Impulsen,” Laser Optoelektron. 3, 187–196 (1984).

1983 (1)

Z. Bor, F. P. Schafer, “New Single-Pulse Generation Technique for Distributed Feedback Dye Lasers,” Appl. Phys. B 31, 209–213 (1983).
[CrossRef]

1981 (1)

Z. Bor, “Amplified Spontaneous Emission from N2-Laser Pumped Dye Lasers,” Opt. Commun. 39, 383–386 (1981).
[CrossRef]

1979 (1)

Z. Bor, “A Novel Pumping Arrangement for Tunable Single Picosecond Pulse Generation with a N2-Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 29, 103–108 (1979).
[CrossRef]

Bor, Z.

A. Muller, Z. Bor, “Farbstofflaser mit verteilter Rückkopplung zur Erzeugung von Picosekunden-Impulsen,” Laser Optoelektron. 3, 187–196 (1984).

Z. Bor, F. P. Schafer, “New Single-Pulse Generation Technique for Distributed Feedback Dye Lasers,” Appl. Phys. B 31, 209–213 (1983).
[CrossRef]

Z. Bor, “Amplified Spontaneous Emission from N2-Laser Pumped Dye Lasers,” Opt. Commun. 39, 383–386 (1981).
[CrossRef]

Z. Bor, “A Novel Pumping Arrangement for Tunable Single Picosecond Pulse Generation with a N2-Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 29, 103–108 (1979).
[CrossRef]

Hebling, J.

J. Hebling, “Excimer Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 64, 539–543 (1987).
[CrossRef]

Helbig, V.

W. Schade, G. Langhans, B. Mundt, V. Helbig, “Determination of Atomic and Ionic Lifetimes from Time Resolved Fluorescence Signals,” Europhys. Conf. Abstracts 13C, Part I, 66 (1989).

W. Schade, G. Langhans, V. Helbig, “Lifetime Measurements of V ii Levels Using Tunable Subnanosecond UV-Dye-Laser Pulses,” Phys. Scr. 36, 890–894 (1987).
[CrossRef]

Langhans, G.

W. Schade, G. Langhans, B. Mundt, V. Helbig, “Determination of Atomic and Ionic Lifetimes from Time Resolved Fluorescence Signals,” Europhys. Conf. Abstracts 13C, Part I, 66 (1989).

W. Schade, G. Langhans, V. Helbig, “Lifetime Measurements of V ii Levels Using Tunable Subnanosecond UV-Dye-Laser Pulses,” Phys. Scr. 36, 890–894 (1987).
[CrossRef]

Lawler, J. E.

J. E. Lawler, S. Salih, “Radiative Lifetimes in Ni ii,” Phys. Rev. A 35, 5046–5050 (1987).
[CrossRef] [PubMed]

Muller, A.

A. Muller, Z. Bor, “Farbstofflaser mit verteilter Rückkopplung zur Erzeugung von Picosekunden-Impulsen,” Laser Optoelektron. 3, 187–196 (1984).

Mundt, B.

W. Schade, G. Langhans, B. Mundt, V. Helbig, “Determination of Atomic and Ionic Lifetimes from Time Resolved Fluorescence Signals,” Europhys. Conf. Abstracts 13C, Part I, 66 (1989).

Salih, S.

J. E. Lawler, S. Salih, “Radiative Lifetimes in Ni ii,” Phys. Rev. A 35, 5046–5050 (1987).
[CrossRef] [PubMed]

Schade, W.

W. Schade, G. Langhans, B. Mundt, V. Helbig, “Determination of Atomic and Ionic Lifetimes from Time Resolved Fluorescence Signals,” Europhys. Conf. Abstracts 13C, Part I, 66 (1989).

W. Schade, G. Langhans, V. Helbig, “Lifetime Measurements of V ii Levels Using Tunable Subnanosecond UV-Dye-Laser Pulses,” Phys. Scr. 36, 890–894 (1987).
[CrossRef]

Schafer, F. P.

Z. Bor, F. P. Schafer, “New Single-Pulse Generation Technique for Distributed Feedback Dye Lasers,” Appl. Phys. B 31, 209–213 (1983).
[CrossRef]

Stryla, Z. W.

Z. W. Stryla, Poznan University, Poland, Institute of Physics; private communication.

Appl. Phys. B (1)

Z. Bor, F. P. Schafer, “New Single-Pulse Generation Technique for Distributed Feedback Dye Lasers,” Appl. Phys. B 31, 209–213 (1983).
[CrossRef]

Europhys. Conf. Abstracts (1)

W. Schade, G. Langhans, B. Mundt, V. Helbig, “Determination of Atomic and Ionic Lifetimes from Time Resolved Fluorescence Signals,” Europhys. Conf. Abstracts 13C, Part I, 66 (1989).

Laser Optoelektron. (1)

A. Muller, Z. Bor, “Farbstofflaser mit verteilter Rückkopplung zur Erzeugung von Picosekunden-Impulsen,” Laser Optoelektron. 3, 187–196 (1984).

Opt. Commun. (3)

J. Hebling, “Excimer Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 64, 539–543 (1987).
[CrossRef]

Z. Bor, “Amplified Spontaneous Emission from N2-Laser Pumped Dye Lasers,” Opt. Commun. 39, 383–386 (1981).
[CrossRef]

Z. Bor, “A Novel Pumping Arrangement for Tunable Single Picosecond Pulse Generation with a N2-Laser Pumped Distributed Feedback Dye Laser,” Opt. Commun. 29, 103–108 (1979).
[CrossRef]

Phys. Rev. A (1)

J. E. Lawler, S. Salih, “Radiative Lifetimes in Ni ii,” Phys. Rev. A 35, 5046–5050 (1987).
[CrossRef] [PubMed]

Phys. Scr. (1)

W. Schade, G. Langhans, V. Helbig, “Lifetime Measurements of V ii Levels Using Tunable Subnanosecond UV-Dye-Laser Pulses,” Phys. Scr. 36, 890–894 (1987).
[CrossRef]

Other (1)

Z. W. Stryla, Poznan University, Poland, Institute of Physics; private communication.

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Figures (6)

Fig. 1
Fig. 1

(a) Optical arrangement of the frequency doubled excimer laser pumped distributed feedback dye laser: BS, beam splitter; CL, cylindrical lens; D, dye cuvette; M, mirror; G, holographic grating; B, pinhole; L, lens; BBO, β-BaB2O4 crystal for frequency doubling; F, color filter. (b) Temporal shape of a single frequency doubled DFDL pulse with 100-Hz repetition rate, 275-nm wavelength, and 200-ps pulse duration. (c) Spectral shape of a single DFDL pulse at 550 nm and 100-Hz repetition rate (dots). When fit with a Gaussian function (line) a bandwidth of 0.0055 nm was observed.

Fig. 2
Fig. 2

New dye laser cuvette: (a) complete view of the cuvette and (b) sectional drawing of the dye laser cuvette where G is the glass tube, D is the dye reservoir, TS is the temperature sensitive element, HP is the heat pump, WC is the water cooler, Q is the quartz window, T is the turbine, M is the motor, and PM is the permanent magnet. The direction of the flow of the dye liquid is also indicated in the drawing.

Fig. 3
Fig. 3

Schematic of the electronic circuit for temperature control of the DFDL.

Fig. 4
Fig. 4

Temperature dependence of the DFDL output wavelength. The laser operates in a solution of 1.4- × 10−2-mol/liter coumarin 153 dissolved in methanol. When fitting the measured points by linear regression, a dependence of 0.165 nm/°C was observed.

Fig. 5
Fig. 5

Long time stabilization of the DFDL output wavelength by electronic temperature control of the dye liquid. The measured laser profiles (dots) were fit by a Gaussian function (lines). When comparing the positions of the profiles a maximum temperature drift of 0.0028 nm was observed. The wavelength of the DFDL was 537.8 nm and the repetition rate of the laser was 100 Hz.

Fig. 6
Fig. 6

Relative tuning curves of the XeCl–excimer laser pumped DFDL for several dyes. For all the wavelengths a holographic grating with 2442 lines/mm is used. The tuning angle of laser mirrors M1 and M2 and the bandwidth of the dye laser emission are also indicated.

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