Windows and Instrumentation

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Optical Windows
For optical access we offer windows for a variety of low temperature studies, including the following: High-purity fused quartz Beryllium Sapphire Cesium Iodide Zinc Selenide Calcium Flouride Potassium Chloride Sodium Chloride Thallium Bromoiodide (KRS-5) Potassium Bromide

Custom Instrumentation Capabilities
We instrument our cold heads with a tip heater and controlling sensor (diode or thermocouple) which are wrapped on the cold fingers for heat sinking purposes. The heater and sensor terminate at a connector an the instrumentation skirt. On request, we offer nonstandard sensors and leads for a minimal additional cost. Specifically we can supply 30-guage, single -conductor and 50-ohm, mini-coaxial cables. Along with the standard 10-pin connector, we offer 19-pin connectors and BNC and SMA coaxial connectors and triax connectors. We also offer a roughing pumpout valve for direct O-ring coupling to a cold end. We offer O-ring and bellows sealed vacuum valves.

Leads	Vacuum
30-guage single connectors 50-ohm mini-coaxial	Seal-off valve Bellows sealed vacuum valve

Connectors	Skirt Feedthroughs
Hermetic -- 10 & 19 pin BNC coax BNC triax 1.33" mini UHV -- 6 & 10 pin 1/4" swagelok others upon request	Mill shell size 12, 14, 16 1.33" mini conflat 1 / 4" swagelok ISO NW16 and 25 ports