Injection seeding of a high-energy Cr:LiSAF ring laser by a narrowband diode-pumped Cr:LiSAF microlaser

Coorg R. Prasad; Victor A. Fromzel; Youming Chen; Christyl C. Johnson; Donald J. Riechle

doi:10.1117/12.270001

31 March 1997 Injection seeding of a high-energy Cr:LiSAF ring laser by a narrowband diode-pumped Cr:LiSAF microlaser

Coorg R. Prasad, Victor A. Fromzel, Youming Chen, Christyl C. Johnson, Donald J. Riechle

Proceedings Volume 2986, Solid State Lasers VI; (1997) https://doi.org/10.1117/12.270001
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

High spectral purity, high energy, tunable laser sources operating in the absorption bands at 730, 815 or 940 nm bands are required for remote sensing of water vapor mixing ratio with a differential absorption lidar. For this application, injection seeding of a high energy Cr³⁺:LiSeAlF₆ ring laser with a narrowband, Q- switched, Cr:LiSAF laser was investigated. The slave ring laser utilized either a flashlamp pumped or diode-pumped Cr:LiSAF gain module. The flashlamp pumped module provided a single-pass gain of 1.5 at 825nm. The diode-pumped module consisted of a Cr:LiSAF rod, side-pumped with high power diode bar stacks giving > 150mJ energy in 200 microsecond(s) pulse. The spectral bandwidth of the ring laser output was 8 to 10 nm without injection seeding. The seed Cr:LiSAF laser was end pumped by a fiber coupled diode laser, and tuned with a birefringent filter. Tuning from 810 to 980 nm was possible with two sets of mirrors, and 160 to 700 ns long Q- switched pulses, with up to 40(mu) J energy, at 1000 Hz, were obtained with linewidths of < 0.1 nm. Successful seeding of both diode and flashlamp pumped lasers, narrowing of ring laser linewidth to < 0.1 nm, and 16 mJ/pulse output have been achieved.

Citation Download Citation

Coorg R. Prasad, Victor A. Fromzel, Youming Chen, Christyl C. Johnson, and Donald J. Riechle "Injection seeding of a high-energy Cr:LiSAF ring laser by a narrowband diode-pumped Cr:LiSAF microlaser", Proc. SPIE 2986, Solid State Lasers VI, (31 March 1997); https://doi.org/10.1117/12.270001

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
8 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Semiconductor lasers

Mirrors

Pulsed laser operation

Resonators

Q switched lasers

Q switching

Diodes

Show All Keywords

Keywords/Phrases

Search In:

Publication Years