Single frequency green nanosecond Nd:YAG microlaser-oscillator power-amplifier system

R. Dabu; C. Blanaru; A. Stratan; O. Pacala; C. Fenic; L. Neagu; L. Rusen; D. Ursu; V. Tornari; Y. Orphanos

doi:10.1117/12.755498

1 August 2007 Single frequency green nanosecond Nd:YAG microlaser-oscillator power-amplifier system

R. Dabu, C. Blanaru, A. Stratan, O. Pacala, C. Fenic, L. Neagu, L. Rusen, D. Ursu, V. Tornari, Y. Orphanos

Proceedings Volume 6785, ROMOPTO 2006: Eighth Conference on Optics; 678508 (2007) https://doi.org/10.1117/12.755498
Event: ROMOPTO 2006: Eighth Conference on Optics, 2006, Sibiu, Romania

Abstract

A compact single-frequency nanosecond green laser oscillator-amplifier system was developed. The single longitudinal mode oscillator consists in a cavity-coupled acousto-optically Q-switched Nd:YAG microlaser emitting pulses of 50 μJ energy, 10 nanosecond duration at 1064 nm wavelength. The oscillator pulses were amplified at 1-10 Hz repetition rate in a two-pass Nd:YAG amplifier up to 28 mJ energy. Infrared amplified radiation was frequency doubled (532 nm) in a KTP crystal with as much as 50% conversion efficiency. The pulsed green laser, with more than 1.5 m coherence length, was used as light source for the holography unit in the sensor of a multi-task device for nondestructive diagnosis in art conservation procedures.

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R. Dabu, C. Blanaru, A. Stratan, O. Pacala, C. Fenic, L. Neagu, L. Rusen, D. Ursu, V. Tornari, and Y. Orphanos "Single frequency green nanosecond Nd:YAG microlaser-oscillator power-amplifier system", Proc. SPIE 6785, ROMOPTO 2006: Eighth Conference on Optics, 678508 (1 August 2007); https://doi.org/10.1117/12.755498

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