Paper
15 November 2018 Tunable hybird optical filter based on a passive cavity for femtosecond lasers
Xiao Xiang, Dongdong Jiao, Tao Liu, Shougang Zhang, Ruifang Dong
Author Affiliations +
Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109640G (2018) https://doi.org/10.1117/12.2504234
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China
Abstract
Utilizing the mechanism of cavity secondary resonance, we proposed a tunable hybrid optical filter combined band-pass spectral and low-pass noise filtering for femtosecond lasers. The experimental results shown that, by stabilizing the cavity length to different transmission peaks, the 3 dB bandwidths of the spectral filter can be tuned from 1.78 nm to 2.8 nm and the tunable cut-off frequency of the low-pass noise filter can be identified by their different attenuations which vary from 9.5 dB to 15.2 dB, of the relaxation oscillation in the laser relative intensity noise (RIN).
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiao Xiang, Dongdong Jiao, Tao Liu, Shougang Zhang, and Ruifang Dong "Tunable hybird optical filter based on a passive cavity for femtosecond lasers", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109640G (15 November 2018); https://doi.org/10.1117/12.2504234
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KEYWORDS
Optical filters

Linear filtering

Laser stabilization

Oscillators

Tunable filters

Bandpass filters

Signal attenuation

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