Which infrared LEDs work at helium temperatures?

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Djamal Gacemi

we have already tried a standard 680nm LED in a helium temperature and it worked well.

Arslan Galiullin

Djamal, thanks for your reply! I have already ordered ordinary LEDs, I hope that they will continue to work at low temperatures

Saad Zahraw Sekhi

You can read the following links:

1. https://academic.oup.com/mnras/article/320/1/83/1111267

2. https://academic.oup.com/mnras/article-pdf/320/1/83/3877550/320-1-83.pdf

3. https://opg.optica.org/josa/fulltext.cfm?uri=josa-51-7-800