CRYSTAL HOLDING DEVICE
PROBLEM TO BE SOLVED: To provide a crystal holding device which can stably use the non-linear optical crystal of CLBO(Cs Li B6 O10 ) and BBO(β-Ba B2 O4 ), which have deliquescence for a long time. SOLUTION: Non-linear optical elements are installed in a holder main body 2 to which a heater 5 is woun...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a crystal holding device which can stably use the non-linear optical crystal of CLBO(Cs Li B6 O10 ) and BBO(β-Ba B2 O4 ), which have deliquescence for a long time. SOLUTION: Non-linear optical elements are installed in a holder main body 2 to which a heater 5 is wound and a heater bobbin 3. They are stored in a housing 10. Extension flanges 8a and 8b having window members 13a and 13b are fitted to the housing 10. Space where non-linear optical crystal is installed is air-tightly held and high purity oxygen gas or the mix gas of high purity oxygen gas and rare gas is filled inside. A gas lead-in path and a gas discharge path are provided for the extension flanges 8a and 8b. Oxygen gas or mix gas is supplied to space where non-linear optical crystal is installed from outside. For always leading in gas from outside, the window members 13a and 13b are not installed and both ends of the extension flanges 8a and 8b are opened. |
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