Process of making cryogenically cooled high thermal performance crystal optics
Patent Application
·
OSTI ID:7271633
A method for constructing a cooled optic wherein one or more cavities are milled, drilled or formed using casting or ultrasound laser machining techniques in a single crystal base and filled with porous material having high thermal conductivity at cryogenic temperatures. A non-machined strain-free single crystal can be bonded to the base to produce superior optics. During operation of the cooled optic, N{sub 2} is pumped through the porous material at a sub-cooled cryogenic inlet temperature and with sufficient system pressure to prevent the fluid bulk temperature from reaching saturation.
- Research Organization:
- Argonne National Lab., IL (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- Dept. of Energy
- Patent Number(s):
- PATENTS-US-A7547753
- Application Number:
- ON: DE92017194; PPN: US 7-547753
- OSTI ID:
- 7271633
- Country of Publication:
- United States
- Language:
- English
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Process of making cryogenically cooled high thermal performance crystal optics
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