Well, the lasers haven't debuted in this season's display yet due to a complication I should have foreseen. One of the things about Laser Diodes is that they lose a lot of power when the operating temperature falls below design specs. That means about 50 degrees fahrenheit...
So... I built some insulated cases for them. The larger one is my RGB laser and the two smaller ones are the green lasers.
The boxes are not the prettiest thing, but in 17 degree temperature last night, they stayed a toasty 60 degrees inside. They are made from 1x3 stock and luan, with foam insulation. The window is special anti-reflective glass so as not to lose laser power.
Inside are small enclosure heaters I picked up on eBay.. they have a built in thermistor and will not exceed 65 degrees.
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