1 W 488 nm cw air-cooled optically pumped semiconductor laser

Vasily Ostroumov; Christoph Simon; Heiko Schwarze; Ruediger von Elm; Wolf Seelert; Jukka Lindfors

doi:10.1117/12.767520

5 March 2008 1 W 488 nm cw air-cooled optically pumped semiconductor laser

Vasily Ostroumov, Christoph Simon, Heiko Schwarze, Ruediger von Elm, Wolf Seelert, Jukka Lindfors

Proceedings Volume 6871, Solid State Lasers XVII: Technology and Devices; 687118 (2008) https://doi.org/10.1117/12.767520
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

We present an air-cooled optically pumped semiconductor laser that provides a cw output power of 1W at 488 nm. This performance was achieved via intracavity frequency doubling at a laser diode pump power of 2.5 Watts. The increased efficiency was realized by optimizing the OPS chip design and improving the heat extraction from the OPS chip. Efficient cooling of the OPS chip and a compact and mechanically stable folded resonator provide maintenance-free long life laser operation with an M² of less than 1.1 and a noise of less than 0.25% rms. The size of the laser head is the same as for the 20 mW commercially available version, namely 125 x 70 x 34 mm.

Citation Download Citation

Vasily Ostroumov, Christoph Simon, Heiko Schwarze, Ruediger von Elm, Wolf Seelert, and Jukka Lindfors "1 W 488 nm cw air-cooled optically pumped semiconductor laser", Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 687118 (5 March 2008); https://doi.org/10.1117/12.767520

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