Short-pulse, eye-safe Nd:YAG laser using cavity-dumping

A short-pulse 1.444-/spl mu/m laser based on Nd:YAG technology has been demonstrated. The 1.444-/spl mu/m is eye-safe. With the cavity-dump technique, a pulse of 50 m/spl times/ and 14 ns was obtained. The beam quality was excellent with an M/sup 2/ of 1.6 by the use of a telescopic resonator. Silic...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1998-05, Vol.34 (5), p.920-925
Main Authors: van den Heuvel, J.C., van Putten, F.J.M.
Format: Article
Language:English
Subjects:
Doped-insulator lasers and other solid state lasers
Exact sciences and technology
Filters, zone plates, and polarizers
Fundamental areas of phenomenology (including applications)
Laser beams
Laser optical systems: design and operation
Lasers
Lenses
Mirrors
Optical elements, devices, and systems
Optical propagation
Optical resonators
Optics
Physics
Polarization
Resonators, cavities, amplifiers, arrays, and rings
Space technology
Space vector pulse width modulation
Stability analysis
Telescopes
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Description
Summary:A short-pulse 1.444-/spl mu/m laser based on Nd:YAG technology has been demonstrated. The 1.444-/spl mu/m is eye-safe. With the cavity-dump technique, a pulse of 50 m/spl times/ and 14 ns was obtained. The beam quality was excellent with an M/sup 2/ of 1.6 by the use of a telescopic resonator. Silicon-window polarizers were used to suppress the 1.06-/spl mu/m radiation but showed 1.444-/spl mu/m absorption as well.
ISSN:0018-9197
1558-1713
DOI:10.1109/3.668780