Abstract

SiO<sub>2</sub>-TiO<sub>2</sub> sol-gel films are deposited on SiO<sub>2</sub>/Si by dip-coating technique. The SiO<sub>2</sub>-TiO<sub>2</sub> strips are fabricated by laser direct writing using an ytterbium fiber laser and followed by chemical etching. Surface structures, morphologies and roughness of the films and strips are characterized. The experimental results demonstrate that the SiO<sub>2</sub>-TiO<sub>2</sub> sol-gel film is loose in structure and a shrinkage concave groove forms if the film is irradiated by laser beam. The surface roughness of both non-irradiated and laser irradiated areas increases with the chemical etching time. But the roughness of laser irradiated area increases more than that of non-irradiated area under the same etching time. After being etched for 28 s, the surface roughness value of the laser irradiated area increases from 0.3 nm to 3.1 nm.

© 2008 Chinese Optics Letters

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2007

J. J. Liu, Z. M. Wang, A. K. Li, Q. W. Hu, and X. Y. Zeng, Chin. J. Lasers (in Chinese) 34, 765 (2007).

Y. Dong, X. Yu, Y. Sun, Y. Li, X. Hou, and X. Zhang, Chin. Opt. Lett. 5, 191 (2007).

2006

S. K. Pani, Y. Quiling, C. C. Wong, D. K. Y. Low, X. Zhang, and M. K. Iyer, Thin Solid Films 504, 336 (2006).

E. Clauss, J.-L. Rehspringer, L. Mager, A. Fort, and J. Fontaine, Proc. SPIE 6190, 61901B (2006).

M. Q. Wang, B. Gong, X. Yao, Y. P. Wang, and R. N. Lamb, Thin Solid Films 515, 2055 (2006).

2005

Y. Yonesaki, K. Miura, R. Araki, K. Fujita, and K. Hirao, J. Non-Cryst. Solids 351, 885 (2005).

2004

K. Y. Jung and S. B. Park, Mater. Lett. 58, 2897 (2004).

X. Y. Li, H. L. Li, J. W. Liu, X. J. Qi, and X. Y. Zeng, Appl. Surf. Sci. 233, 51 (2004).

2003

Q. Fang, M. Meier, J. J. Yu, Z. M. Wang, J.-Y. Zhang, J. X. Wu, A. Kenyon, P. Hoffmann, and I. W. Boyd, Mater. Sci. Eng. B 105, 209 (2003).

2001

J. W. Zhai, L. Y. Zhang, X. Yao, and S. N. B. Hodgson, Surf. Coat. Technol. 138, 135 (2001).

2000

W. X. Que, Z. Sun, Y. Zhou, Y. L. Lam, S. D. Cheng, Y. C. Chan, and C. H. Kam, Mater. Lett. 42, 326 (2000).

1998

Z.-Q. Zeng, X.-Y. Xiao, Z.-L. Gui, and L.-T. Li, Mater. Lett. 35, 67 (1998).

1996

S. Pelli, G. C. Righini, A. Scaglione, M. Guglielmi, and A. Martucci, Opt. Mater. 5, 119 (1996).

Appl. Surf. Sci.

X. Y. Li, H. L. Li, J. W. Liu, X. J. Qi, and X. Y. Zeng, Appl. Surf. Sci. 233, 51 (2004).

Chin. J. Lasers (in Chinese)

J. J. Liu, Z. M. Wang, A. K. Li, Q. W. Hu, and X. Y. Zeng, Chin. J. Lasers (in Chinese) 34, 765 (2007).

Chin. Opt. Lett.

J. Non-Cryst. Solids

Y. Yonesaki, K. Miura, R. Araki, K. Fujita, and K. Hirao, J. Non-Cryst. Solids 351, 885 (2005).

Mater. Lett.

K. Y. Jung and S. B. Park, Mater. Lett. 58, 2897 (2004).

Z.-Q. Zeng, X.-Y. Xiao, Z.-L. Gui, and L.-T. Li, Mater. Lett. 35, 67 (1998).

W. X. Que, Z. Sun, Y. Zhou, Y. L. Lam, S. D. Cheng, Y. C. Chan, and C. H. Kam, Mater. Lett. 42, 326 (2000).

Mater. Sci. Eng. B

Q. Fang, M. Meier, J. J. Yu, Z. M. Wang, J.-Y. Zhang, J. X. Wu, A. Kenyon, P. Hoffmann, and I. W. Boyd, Mater. Sci. Eng. B 105, 209 (2003).

Opt. Mater.

S. Pelli, G. C. Righini, A. Scaglione, M. Guglielmi, and A. Martucci, Opt. Mater. 5, 119 (1996).

Proc. SPIE

E. Clauss, J.-L. Rehspringer, L. Mager, A. Fort, and J. Fontaine, Proc. SPIE 6190, 61901B (2006).

Surf. Coat. Technol.

J. W. Zhai, L. Y. Zhang, X. Yao, and S. N. B. Hodgson, Surf. Coat. Technol. 138, 135 (2001).

Thin Solid Films

S. K. Pani, Y. Quiling, C. C. Wong, D. K. Y. Low, X. Zhang, and M. K. Iyer, Thin Solid Films 504, 336 (2006).

M. Q. Wang, B. Gong, X. Yao, Y. P. Wang, and R. N. Lamb, Thin Solid Films 515, 2055 (2006).

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