7.标准套件
Wavelength References提供各种类型和配置的气体参考盒。气体参考盒用于波长校准光学仪器和传感系统，也应用于光谱和激光波长锁定。
几乎可以提供所有的气体，无论是纯气体或气体混合物。
光纤耦合气体参考盒提供不同的路径长度以满足不同气体吸收强度的需求。
产品规格：
光纤类型 |
SMF28 900 micron tight buffer |
光纤接头型号 |
FCPC, FCAPC, SCPC, SCAPC |
插入损耗 |
<3dB (<5dB for 80 cm path) |
气体压强 |
0.3Torr to 740Torr ±10% ±0.1Torr |
气体纯度 |
>99.9% typical |
光谱涟漪 |
<0.1dB P-P over any 5nm span |
回波损耗 |
>40dB typical |
管窗口 |
Glass with 0.5 degree wedge, custom broadband AR coating for wavelength range of interest |
管结构 |
Hard sealed (low melting temperature glass), tube lifetime >10 years |
这种气体电池是我们体积最小、成本最低的气体参考盒。它充满了乙炔气体，工作波长涵盖从1510nm到1540nm范围。
3 cm path “Mini” cell
这种气体参考盒充满了标准氰化氢气体，工作波长从1528nm到1562nm，最大峰值吸收约3.2db。
- 80 cm path “multipass” gas cell
3cm path copper housing with sapphire windows
- 3cm path copper housing with sapphire windows
吸收管：吸收管可由玻璃或铜外壳构成。在硒化锌窗口波长范围超过 10微米。可以提供几乎任何气体或混合气体。
产品规格：
Glass Envelope |
3mm OD to 25mm OD, 1cm to 20 cm length |
Copper Envelope |
OFHC 99.95% copper |
Glass Window |
Schott B270 wedged 0.5 degrees |
Sapphire windows |
C-cut or random, wedged to customer specification |
Zinc Selenide windows/td> |
>To customer specification |
Gas type |
Almost any |
Gas Pressure |
>0.1 Torr to 750 Torr ±10% |
AR coatings |
Typically broadband centered at customer specified wavelength but many choices in stock |
Tube lifetime |
>10 years |
