Abstract: The properties of zero-order retardation plates fabricated from mechanically stretched phase-separated glass are presented and discussed. The dissolved stretched phase is silver halide. The values of the birefringence as a result of the elongated silver halide phase are studied as a function of the average particle aspect ratio and wavelength. The $lambda@/4 and $lambda@/2 thicknesses required for the wavelength interval 633 - 1520 nm were 0.5 - 3.0 mm. Advantages in the use of these glass waveplates in devices such as circular polarizers are discussed. !3
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