Development of an integrated narrowband tunable filter for LIDAR applications

Dionisio Alves Pereira; José Luís Santos; Manuel B. Marques; Francisco M. Araújo; Luís A. Ferreira; Joao P. Carmo

doi:10.1117/1.3656751

1 December 2011 Development of an integrated narrowband tunable filter for LIDAR applications

Dionisio Alves Pereira, José Luís Santos, Manuel B. Marques, Francisco M. Araújo, Luís A. Ferreira, Joao P. Carmo

Author Affiliations +

Optical Engineering, Vol. 50, Issue 12, 124403 (December 2011). https://doi.org/10.1117/1.3656751

Abstract

The overall procedure toward the implementation of a compact tunable athermal filter mounted on a piezoelectric actuator and based on a π-shift chirped fiber Bragg grating is presented. This package ensures an active tunablility over 2 nm with a cross thermal induced Bragg wavelength shift below 100 pm over a temperature range from −20°C to +80°C. The proposed filter makes use of the overall response of a π-shift chirped fiber Bragg grating and a bulk broadband microfilter that enables a sharp optical transmission spectrum response having a FWHM below 20 pm within a 2 nm region and 20 dB rejection band to be obtained.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Dionisio Alves Pereira, José Luís Santos, Manuel B. Marques, Francisco M. Araújo, Luís A. Ferreira, and Joao P. Carmo "Development of an integrated narrowband tunable filter for LIDAR applications," Optical Engineering 50(12), 124403 (1 December 2011). https://doi.org/10.1117/1.3656751

Published: 1 December 2011

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