Technology optimization techniques for multicomponent optical band-pass filter manufacturing

Yuri P. Baranov; Georgiy M. Gryaznov; Andrey Y. Rodionov; Andrey V. Obrezkov; Roman V. Medvedev; Alexey N. Chivanov

doi:10.1117/12.2227859

27 April 2016 Technology optimization techniques for multicomponent optical band-pass filter manufacturing

Yuri P. Baranov, Georgiy M. Gryaznov, Andrey Y. Rodionov, Andrey V. Obrezkov, Roman V. Medvedev, Alexey N. Chivanov

Proceedings Volume 9889, Optical Modelling and Design IV; 98891V (2016) https://doi.org/10.1117/12.2227859
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

Narrowband optical devices (like IR-sensing devices, celestial navigation systems, solar-blind UV-systems and many others) are one of the most fast-growing areas in optical manufacturing. However, signal strength in this type of applications is quite low and performance of devices depends on attenuation level of wavelengths out of operating range. Modern detectors (photodiodes, matrix detectors, photomultiplier tubes and others) usually do not have required selectivity or have higher sensitivity to background spectrum at worst. Manufacturing of a single component band-pass filter with high attenuation level of wavelength is resource-intensive task. Sometimes it's not possible to find solution for this problem using existing technologies. Different types of filters have technology variations of transmittance profile shape due to various production factors. At the same time there are multiple tasks with strict requirements for background spectrum attenuation in narrowband optical devices. For example, in solar-blind UV-system wavelengths above 290-300 nm must be attenuated by 180dB. In this paper techniques of multi-component optical band-pass filters assembly from multiple single elements with technology variations of transmittance profile shape for optimal signal-tonoise ratio (SNR) were proposed. Relationships between signal-to-noise ratio and different characteristics of transmittance profile shape were shown. Obtained practical results were in rather good agreement with our calculations.

Citation Download Citation

Yuri P. Baranov, Georgiy M. Gryaznov, Andrey Y. Rodionov, Andrey V. Obrezkov, Roman V. Medvedev, and Alexey N. Chivanov "Technology optimization techniques for multicomponent optical band-pass filter manufacturing", Proc. SPIE 9889, Optical Modelling and Design IV, 98891V (27 April 2016); https://doi.org/10.1117/12.2227859

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