Several holographic and interferometric applications would benefit significantly from a diode laser based coherent light source near 633 nm. For this purpose a miniaturized master-oscillator power-amplifier (MOPA) was developed. The MOPA is integrated in a sealed package together with a custom-built CdMnTe-based micro-optical isolator to shield the MO from optical feedback. The MOPA reaches an optical output power of up to 30 mW near 633 nm. Its single-mode emission is tunable over 0.5 nm by temperature and 1.0 nm by a grating heater. The package offers the integration of a gas cell and a polarization maintaining fiber port.
G. Blume, D. Jedrzejczyk, J. Pohl, D. Feise, A. Sahm, N. Werner, C. Nölleke, P. Leisching, and K. Paschke, "633-nm single-mode master-oscillator power-amplifier module," Proc. SPIE 10528, Optical Components and Materials XV, 105280D (Presented at SPIE OPTO: January 30, 2018; Published: 22 February 2018); https://doi.org/10.1117/12.2286455.
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