Relief gratings on Er/Yb-doped borosilicate glasses and waveguides by excimer laser ablation

被引:13
作者
Pissadakis, S [1 ]
Reekie, L [1 ]
Hempstead, M [1 ]
Zervas, MN [1 ]
Wilkinson, JS [1 ]
机构
[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
基金
英国工程与自然科学研究理事会;
关键词
laser ablation; micromachining; gratings; optical waveguides;
D O I
10.1016/S0169-4332(99)00365-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Relief gratings have been fabricated on Er/Yb-doped borosilicate glass substrates by laser ablation using a 193 nm excimer laser and a modified Mach-Zehnder interferometer. The grating fabrication process was quantified using diffraction efficiency measurements and related to the incident energy density. Diffraction efficiencies and grating profiles are presented for gratings fabricated using different pulse energy densities and number of pulses, and optimised fabrication conditions are proposed. Finally, relief gratings were applied to ion-exchanged channel waveguides and spectral transmission measurements are presented. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:200 / 210
页数:11
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