Clarkson, W.A., Hanna, D.C., Lovering, D.S. and Jones, G.C.W.
Acousto-optically induced unidirectional and single frequency operation of a Nd:glass ring laser using the acousto-optic effect in the laser medium
Optics Letters, 19, (24), . (doi:10.1364/OL.19.002059).
A traveling-wave acousto-optic modulator fabricated from Nd-doped phosphate glass is used both as the laser gain medium and as the unidirectional element in a diode-pumped ring laser. Unidirectional operation can be maintained with applied rf powers as low as 6.7 mW and results in cw single-frequency output powers as high as 200 mW for a pump power of 1.2 W
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