633-nm single-mode laser diode module with PM fiber output

G. Blume; D. Jedrzejczyk; J. Pohl; D. Feise; A. Sahm; B. Eppich; C. Nölleke; P. Leisching; K. Paschke

doi:10.1117/12.2250763

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16 February 2017 633-nm single-mode laser diode module with PM fiber output

G. Blume, D. Jedrzejczyk, J. Pohl, D. Feise, A. Sahm, B. Eppich, C. Nölleke, P. Leisching, K. Paschke

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Proceedings Volume 10100, Optical Components and Materials XIV; 1010018 (2017) https://doi.org/10.1117/12.2250763
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Several holographic and interferometric applications would benefit significantly from a diode laser based coherent light source near 633 nm. For this purpose a laser diode based on an AlGaAs/AlGaInP structure for emission in the red spectral range was developed. The laser chip features a ridge waveguide and a DBR surface grating at the rear side with a peak reflectivity at 633 nm. The laser was mounted in a butterfly-style package for temperature stabilization. The beam emitted by the laser diode was shaped with two cylindrical micro-lenses and passed through a custom-built CdMnTebased micro-optical isolator. The beam behind the isolator was coupled into a polarization maintaining (PM) single-mode fiber using an aspherical lens. The optical output power of the fiber was about 1.7 mW at 100 mA.

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G. Blume, D. Jedrzejczyk, J. Pohl, D. Feise, A. Sahm, B. Eppich, C. Nölleke, P. Leisching, and K. Paschke "633-nm single-mode laser diode module with PM fiber output", Proc. SPIE 10100, Optical Components and Materials XIV, 1010018 (16 February 2017); https://doi.org/10.1117/12.2250763

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