The virtually-imaged phased array (VIPA) is a side-entrance etalon with potential application as a high-resolution spectral disperser for wavelength division multiplexing. Here we present an approximate analytical spectral dispersion law for the VIPA, which we confirm experimentally.
© 2003 Optical Society of America
Albert Vega, Andrew M. Weiner, and Christopher Lin, "Generalized Grating Equation for Virtually-Imaged Phased-Array Spectral Dispersers," Appl. Opt. 42, 4152-4155 (2003)