Clarkson, W.A. and Hanna, D.C.
Acousto-optically induced single-mode and Q-switched operation of a miniature diode-pumped Nd:YLF ring laser
At CLEO'91 Conference Lasers and Electro-optics, United States.
01 Jan 1991.
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When forced to operate as unidirectional devices, many solid-state ring lasers can yield a reliable single mode output. Unidirectional operation is possible only if a sufficiently large loss-difference exists between the two counter-propagating beams. This is generally achieved by incorporating a Faraday isolator in the ring cavity. In order to minimize cavity losses, in low gain diode-pumped solid-state lasers, it is convenient to make use of the small Faraday effect which occurs in the laser medium itself. Unfortunately, this technique may not be well suited to those laser media having a very small Verdet constant at the laser operating wavelength, or for those materials, for example, Nd:YLF, having birefringence.
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