Abstract
We present the design, development and characterization of volume holographic wavelength filters recorded in MEMPLEX - a new photoreactive polymer that has widespread applications in holographic technology. These holographic filters are characterized by their narrow wavelength and angular dephasing. MEMPLEX photopolymer exhibits complete lack of shrinkage during recording and post-processing, is completely self-supporting and can be fabricated to a size required by the application, has excellent optical quality, is resistant to most chemicals and has long shelf-life, it is therefore ideally suited for optical filter technology. We have recorded and characterized numerous holographic reflection volume gratings in 2 mm thick samples in order to examine the effect of writing geometry on wavelength and angle selectivity. The presented results show that efficient reflection gratings with more than 75% diffraction efficiency and linewidths of less than 0.2 nm can be recorded. Efficient wavelength filters can be used in many applications including telecom MUX/DMUX, LIDAR, spectroscopy, etc
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