3 ms·
> sapphire crystals and diamond films that have tiny cooling conduits drilled through them with lasers so that you can run (IIRC) liquid helium through the crys
by killjoywashere 9y ago
> sapphire crystals and diamond films that have tiny cooling conduits drilled through them with lasers so that you can run (IIRC) liquid helium through the crystals
Citations, pleeeeassse! I neeeeed it!
- joshwa 9y agoA reference to "seeker cryo-cooldown" in this video about a THAAD test: https://youtu.be/0z0l0NsMduQ?t=233 https://youtu.be/0z0l0NsMduQ?t=233
- kijiki 9y agoThat is probably about cooling the sensor. High-sensitivity IR sensors need to be cooled so thermal noise from the sensor itself doesn't wash out a weak IR signal. Fighter aircraft provide liquid nitrogen to captive IR missiles.