Integrated Wavelength-Insensitive Differential Laser Doppler Velocimeter Using Planar Lightwave Circuit

Author

Maru, Koichi ; Fujii, Yusaku

Author_Institution

Dept. of Electron. Eng., Gunma Univ., Kiryu, Japan

Volume

27

Issue

22

fYear

2009

Firstpage

5078

Lastpage

5083

Abstract

In this paper, a design of an integrated wavelength-insensitive laser Doppler velocimeter (LDV) has been proposed using planar lightwave circuit (PLC). The proposed LDV uses arrayed waveguide gratings (AWGs) that can be fabricated using PLC technology. Its characteristics are simulated using a design model based on grating equations for AWGs. The simulation results indicate that wavelength-insensitive operation can be almost obtained by optimizing the design parameters of the proposed structure without assembly of bulk diffractive gratings or other optical elements.

Keywords

Doppler measurement; arrayed waveguide gratings; integrated optics; laser velocimetry; optical design techniques; optical fabrication; optical planar waveguides; AWG fabrication; PLC technology; arrayed waveguide gratings; design model; grating equation; integrated wavelength-insensitive LDV; laser Doppler velocimeter; planar lightwave circuit; Integrated optics; laser Doppler velocimeter (LDV); optical planar waveguides; precision measurement; waveguide arrays; wavelength sensitivity;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2009.2027214

Filename

5165101