Abstract

We present results of the design and testing of a modified optical Šolc notch filter for use in the deep ultraviolet (DUV, 190300nm) spectral range. The filter was designed to block a specific wavelength in this region. In addition, a sequence of blocked wavelengths occurs at wavelengths both shorter and longer than the specified wavelength. For Raman applications utilizing tunable lasers, the provision of multiple blocked wavelengths by a single filter may be especially useful. The filter design presented here produces extinction ratios >240 with transmission minima 1nm full width at half-maximum. Specific results are shown for the Raman spectra of Teflon excited at 248.4nm.

© 2009 Optical Society of America

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