Measuring the intracavity birefringence in a gas laser with neutral coupling

We present a new method to determine the linear birefringence inside a laser cavity. We measure beat frequencies between orthogonally polarized modes in the intensity noise spectrum; the novel aspect is that we employ a gain medium with neutral coupling. Measurements are performed on the λ = 2.026 μ...

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Bibliographic Details
Published in:Optics communications 1996-03, Vol.124 (5), p.462-468
Main Authors: van Eijkelenborg, M.A., Schrama, C.A., Woerdman, J.P.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gas lasers including excimer and metal-vapor lasers
Lasers
Optics
Physics
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Summary:We present a new method to determine the linear birefringence inside a laser cavity. We measure beat frequencies between orthogonally polarized modes in the intensity noise spectrum; the novel aspect is that we employ a gain medium with neutral coupling. Measurements are performed on the λ = 2.026 μm ( J=1 → J=1) HeXe laser transition.
ISSN:0030-4018
1873-0310
DOI:10.1016/0030-4018(95)00726-1