We present a 657-nm external cavity diode laser (ECDL) system, where the output frequency is stabilized by a narrow-band high transmission interference filter. This novel diode laser system emits laser with an instantaneous linewidth of 7 kHz and a broadened linewidth of 432 kHz.
© 2011 Chinese Optics Letters
Zhengbo Wang, Xiaokai Lv, and Jingbiao Chen, "A 657-nm narrow bandwidth interference filter-stabilized diode laser," Chin. Opt. Lett. 9, 041402- (2011)