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Frequency stabilized laser diode locked to acetylene gas absorption lines using fiber-pigtail-type acoustic optical modulator

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4 Author(s)
Sakai, Y. ; NTT Opto-electron. Lab., Kanagawa, Japan ; Yokohama, I. ; Kano, F. ; Sudo, S.

The operation frequency of 1.5 mu m laser diodes can be stabilized to /sup 12/C/sub 2/H/sub 2/ and /sup 13/C/sub 2/H/sub 2/ gas absorption lines without dithering the frequency spectrum of the laser diodes. The scheme employs a fiber-pigtail-type acoustic optical modulator for the purpose of a small laser-frequency scanning. Frequency stability within 3 MHz peak-to-peak fluctuation is achieved without dithering the frequency of the laser diodes.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:4 ,  Issue: 1 )