Fuzhou Esteemoptics Co.,Ltd
FEATURED IN OPTICAL COATING, HIGH POWER MIRRORS, BANDPASS FILTERS, PRECISION OPTICS.
¡§ Transmission Range: 185-2500nm
¡§ Refractive Index:1.4858@ 308nm
¡§ Low Thermal Expansion Coefficient: 0.54 x 10-6K
¡§ Better performance from UV to IR spectrum. Also, it is the best choice for resistance thermal application.
High Precision Fused Silica Windows
How to Order:
For Example: WNH1201
(Part Number)
Notes:
Other size are also available upon request.
¦µ (mm)
T(mm)
1¡¯ Parallelism
10¡± Parallelism
Part No
10.0
6.0
WNH1201
WNH1211
12.7
WNH1202
WNH1212
25.0
WNH1203
WNH1213
25.4
6.35
WNH1204
WNH1214
30.0
WNH1205
WNH1215
50.0
WNH1306
WNH1316
Specifications:
Material: UV grade fused silica
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: +/-0.2mm
Clear Aperture: >80%
Parallelism: see the table
Surface Quality: 20-10 scratch and dig
Wavefront Distortion: ¦Ë/10 per 25mm@632.8nm
Protective Bevel
Standard Fused Silica Windows
WNL1101
3.0
WNL1102
WNL1103
WNL1104
WNL1105
WNL1106
Parallelism: 1 arc minute
Surface Quality: 60-40 scratch and dig
Wavefront Distortion: ¦Ë/4 per 25mm@632.8nm