Bayer filter removal on a Pi Camera: Laser stripping, CFA removal, debayering, and UV conversion.

Episode 30
#laser
#raspberrypi

In this episode I discuss methods of stripping the Bayer Color Filter Array (CFA) from the Raspberry picamera, for use in my Raspberry Pi Spectrometer:    • How to build a DIY Raspberry Pi Spect...  
I cover physical removal, chemical removal with EKC 830 and Laser stripping.
I demo an experimental home made Laser stripping machine, like a miniature CNC, using the MNL-100 Nitrogen Laser I tore down and hacked here:    • Hacking a Laser! MNL-100 Nitrogen Las...  

Does it work? Can you use the Picamera to image in the Ultraviolet? Watch the video to find out!

Thanks to the people who nudged me a little (White Shadow (see comments), colleagues and friends) I published this work in the IEEE: https://doi.org/10.1109/lsens.2022.32...

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References:
Ultraviolet Imaging with Low Cost Smartphone Sensors: Development and Application of a Raspberry Pi-Based UV Camera
Thomas C. Wilkes , Andrew J. S. McGonigle , Tom D. Pering , Angus J. Taggart ,Benjamin S. White, Robert G. Bryant and Jon R. Willmott
https://doi.org/10.3390/s16101649
https://www.mdpi.com/1424-8220/16/10/...

Excimer laser photoresist stripping
Menachem Genut, Ofer Tehar-Zahav, Eli Iskevitch, Boris Livshits
Proceedings Volume 2724, Advances in Resist Technology and Processing XIII; (1996) https://doi.org/10.1117/12.241858

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Music in this video:
8-Bit March by Twin Musicom is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...

Artist: http://www.twinmusicom.org/

#Laser
#BayerFilter
#RaspberryPi
#electronics
#optics