Abstract

We present an inverted structure of microaxicon, called a microaxicave, with periodic micro-conic-cave shapes, to generate circular hollow beams. A microaxicave is fabricated in a quartz substrate with the combination of direct laser writing and inductively coupled plasma etching. The hollow beam generated by the quartz microaxicave is directly recorded with a CCD camera, and the hollow beam is consistent with analysis by the diffraction theory.

© 2010 Optical Society of America

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References

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2010

2009

K. Watanabe, G. Terakado, and H. Kano, Opt. Lett. 34, 1180 (2009).
[CrossRef] [PubMed]

D. Kuang, U. Ellmer, M. Gui, and Z. Fang, J. Opt. A 11, 085601 (2009).
[CrossRef]

2008

2006

2004

2001

2000

B. Kress and P. Meyrueis, Digital Diffractive Optics: An Introduction to Planar Diffractive Optics and Related Technology (Wiley, 2000).

1954

Bengtsson, J.

Bergkvist, M.

Bernhoff, H.

Berns, M. W.

Botvinick, E. L.

Ekberg, M.

Ellmer, U.

D. Kuang, U. Ellmer, M. Gui, and Z. Fang, J. Opt. A 11, 085601 (2009).
[CrossRef]

Esener, S. C.

Fang, Z.

D. Kuang, U. Ellmer, M. Gui, and Z. Fang, J. Opt. A 11, 085601 (2009).
[CrossRef]

Golub, I.

Gui, M.

D. Kuang, U. Ellmer, M. Gui, and Z. Fang, J. Opt. A 11, 085601 (2009).
[CrossRef]

Gustavsson, A.

Hård, S.

Isberg, J.

Kano, H.

Kress, B.

B. Kress and P. Meyrueis, Digital Diffractive Optics: An Introduction to Planar Diffractive Optics and Related Technology (Wiley, 2000).

Kuang, D.

D. Kuang, U. Ellmer, M. Gui, and Z. Fang, J. Opt. A 11, 085601 (2009).
[CrossRef]

N. Lu, D. Kuang, and G. Mu, Appl. Opt. 47, 3743 (2008).
[CrossRef] [PubMed]

Larsson, M.

Lu, N.

McLeod, J. H.

Meyrueis, P.

B. Kress and P. Meyrueis, Digital Diffractive Optics: An Introduction to Planar Diffractive Optics and Related Technology (Wiley, 2000).

Morigaki, K.

Mu, G.

Nascimento, J. M.

Nomura, D.

Okazaki, T.

Ozkan, M.

Ryosuke, M.

Shao, B.

Shibuya, H.

Skytt, P.

Sunesson, A.

Terakado, G.

Watanabe, K.

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Figures (4)

Fig. 1
Fig. 1

Schematic of a microaxicave: top and cross-sectional views.

Fig. 2
Fig. 2

AFM images of the fabricated micro axicave: (a) 2D, (b) cross-sectional, and (c) 3D images of the microaxicave on the photoresist Suzhou304 before ICP etching.

Fig. 3
Fig. 3

AFM images of the fabricated micro axicave: (a) 2D, (b) cross-sectional, and (c) 3D images of the microaxicave on the quartz substrate after ICP etching.

Fig. 4
Fig. 4

(a) Experimental beam image and (b) profile at distance z = 50 mm from the fabricated quartz microaxicave.

Equations (4)

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φ ( r ) = 2 π λ ( n 1 ) h [ ( r Λ ) mod 1 ] ,
h opt = λ n 1 ( λ Λ ) 2 .
θ = a sin ( λ Λ ) .
r 1 = z · tan θ = z · tan [ a sin ( λ Λ ) ] .

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