Fabrication of Dammann Gratings Inside Glasses by a Femtosecond Laser

Chin. Phys. Lett.

2004, Vol. 21

Issue (6): 1061-1063 DOI:

Original Articles

Fabrication of Dammann Gratings Inside Glasses by a Femtosecond Laser

NAKAYA Takayuki¹ QIU Jian-Rong^1,2;ZHOU Chang-He²;HIRAO Kazuyuki^1,3

¹Photon Craft Project, Japan Science and Technology Agency, Super-Lab 2-5, Keihanna-Plaza, Hikaridai 1-7, Seika-cho,Soraku-gun, Kyoto 619-0237, Japan ²Photon Craft Project, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 ³Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 606-8501, Japan

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NAKAYA Takayuki QIU Jian-Rong, ZHOU Chang-He, HIRAO Kazuyuki 2004 Chin. Phys. Lett. 21 1061-1063

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Abstract Dammann grating is useful in information technology as an optical splitter. It is usually fabricated through complicated processes. Here we report on the direct fabrication of a 6 x 6 Dammann grating in a silica glass by an 800 nm femtosecond laser. We also discuss the relationship between diffraction efficiency of 1 x 2 Dammann grating and laser irradiation conditions.

Keywords: 42.25.Fx 42.62.Cf 42.79.Dj

Published: 01 June 2004

PACS:	42.25.Fx	(Diffraction and scattering)
	42.62.Cf	(Industrial applications)
	42.79.Dj	(Gratings)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I6/01061

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	NAKAYA Takayuki QIU Jian-Rong
	ZHOU Chang-He
	HIRAO Kazuyuki

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