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WS-1-SL標準漫反射參考白板
WS-1-SL是Labsphere公司生產的標準漫反射白板，采用專利的Spectralon反射材料制作。Spectralon不怕水而且熱穩定性可以到350度。穩定的材料保證客戶可以獲得準確的可重復的數據。不像其他PTFE材料的標準，WS-1-SL如果污染或者有劃痕，也可以再次磨平使用。
| Specification |
WS-1 |
WS-1-SL |
WS-1-SS |
WS-3-GEM |
| Dimensions housing: |
38 mm diameter |
38 mm diameter |
38 mm diameter |
38 mm diameter |
| Dimensions tile: |
32 mm OD,
10 mm thick |
32 mm OD,
10 mm thick |
32 mm OD,
10 mm thick |
31 mm OD,
10 mm thick |
| Weight: |
30 g |
30 g |
30 g |
70 g |
| Spectral range: |
250-2000 nm |
250-2500 nm |
250-2000 nm |
250-2000 nm |
| Housing: |
Aluminum |
Delrin holder, protective cover |
Stainless steel |
Stainless steel |
| Reflectivity: |
>98% (250-1500 nm)
>95% (250-2200 nm) |
99% (400-1500 nm)
>96% (250-2000 nm) |
>98% (250-1500 nm)
>95% (250-2200 nm) |
>98% (250-1500 nm)
>95% (250-2200 nm) |
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