Abstract

An experimental acousto-optic tunable filter that has a narrow spectral bandwidth (0.2 nm at 1550 nm) and a fast $\left(10‐\mathit{\mu }\mathrm{s}\right)$ tuning capability with a continuous tuning range of approximately 50 nm is described. The tunable filter consists of an acousto-optic beam deflector with a diffraction grating whose grating vector is transverse to the direction of light propagation.

© 1998 Optical Society of America

Broadband monolithic acousto-optic tunable filter

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