Abstract
We report reliability-test results of transmission-type holographic optical elements (HOE’s) made with the DuPont photopolymer HRF-600. The reliability tests performed include 6000 cycles of liquid-to-liquid thermal-shock cycling (-55 °C–125 °C), 2200 cycles of air-to-air thermal cycling (-55 °C–125 °C), 1500 h of humidity testing (85 °C and a relative humidity of 85%), and 675 h of burn-in testing at 125 °C. A total of 210 holograms was tested, with 532 data points collected for diffraction-efficiency measurements. The results show that the average efficiency change after these tests is in the range of -4% to 0% and the standard deviation is only ∼10%.
© 1998 Optical Society of America
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