High-power high-efficiency all-solid-state quasicontinuous-wave tunable Ti:sapphire laser system

Lei Zou; Xin Ding; Wuqi Wen; Hong-mei Ma; Peng Wang; Jian-quan Yao

doi:10.1117/12.574989

26 January 2005 High-power high-efficiency all-solid-state quasicontinuous-wave tunable Ti:sapphire laser system

Lei Zou, Xin Ding, Wuqi Wen, Hong-mei Ma, Peng Wang, Jian-quan Yao

Proceedings Volume 5627, High-Power Lasers and Applications III; (2005) https://doi.org/10.1117/12.574989
Event: Photonics Asia, 2004, Beijing, China

Abstract

This paper reports a high output power, high conversion efficiency, all-solid-state, quasi-continuous-wave Ti:sapphire laser system pumped by frequency-doubled Nd:YAG laser with DPL and by employing it as a pump source, we got the tunable broadband wavelength varying from 750nm to 950nm. Comparing with correlative research fields, two uppermost improvements were achieved, including the topmost output power and its broadband tuning. To ensure the ideal broadband output of Ti:sapphire laser, two sets of Ti:sapphire resonator mirrors were used respectively One is from 750 to 850nm, the other is from 850 to 950nm. Because the centric wavelength of the resonator laser is nearly 795nm, the maximum of the Ti:sapphire laser output power we obtained was 6W with the first set of mirror and the transmission rate of the output mirror is 10%. The power tops this field so far and the higher conversion efficiency is 22.2%. The second set of mirror we used can generate the output power of 3W, which is high enough to achieve broadband tuning for the future. And then, by using a tunable and line width compressed implement-birefringent filter which was Brewster angle placed, we achieved continuous tuning from 750nm to 950nm with reasonably high power.

Citation Download Citation

Lei Zou, Xin Ding, Wuqi Wen, Hong-mei Ma, Peng Wang, and Jian-quan Yao "High-power high-efficiency all-solid-state quasicontinuous-wave tunable Ti:sapphire laser system", Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); https://doi.org/10.1117/12.574989

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KEYWORDS

Sapphire lasers

Sapphire

Mirrors

Laser systems engineering

Crystals

High power lasers

Crystal optics

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