Optical Window with Anti-reflection Coating (Synthetic fused silica) / WSQMA
These optical windows have high-quality and may be used when light is passed through the opposite side of the partition or in the vacuum chamber. Since the windows have anti-reflection coatings the transmittance is increased so they can be used as a window for laser irradiation windows and the observation of the sample.
By anti-reflection coating with a dielectric multi-layer, it is reduced to less than 1% to 4% reflection loss of the glass surface.Since we are using the high qualitymaterial, the image will not be distorted by the transmission of the glass, and the laser beam is not diffused.
When you insert anwindow perpendicular to the optical path of the laser, the angle of the transmitted beam will not be changed.
Common Specifications
| Material | Synthetic fused silica |  |
|---|---|---|
| Surface Flatness | 4λ | |
| Parallelism | ＜3′ | |
| Coating | Dielectric multi-layer coating |
|
| Incident Angle | 0° | |
| Surface Quality (Scratch-Dig) | 40－20 | |
| Clear Aperture | 90% of the diameter |
| Schematic | Outline Drawing |
|---|---|
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| Part Number |
Wavelength Range | Diameter φD |
Thickness t |
Wavelength Range | Laser Damage Threshold |
|---|---|---|---|---|---|
| WSQMA-25C02-P-FY3/FY2 | 343 - 355nm/515 - 532nm | φ25mm | 2mm | R＜ Average 0.5％ @343 - 355nm R＜ Average 0.5％ @515 - 532nm |
1J/cm2@343 - 355nm 2J/cm2@515 - 532nm |
| WSQMA-30C02-P-FY3/FY2 | 343 - 355nm/515 - 532nm | φ30mm | 2mm | R＜ Average 0.5％ @343 - 355nm R＜ Average 0.5％ @515 - 532nm |
1J/cm2@343 - 355nm 2J/cm2@515 - 532nm |
| WSQMA-50C2.3-P-FY3/FY2 | 343 - 355nm/515 - 532nm | φ50mm | 2.3mm | R＜ Average 0.5％ @343 - 355nm R＜ Average 0.5％ @515 - 532nm |
1J/cm2@343 - 355nm 2J/cm2@515 - 532nm |
| WSQMA-25C02-P-FY2/FY1 | 515 - 532nm/1030 - 1064nm | φ25mm | 2mm | R＜ Average 0.5％ @515 - 532nm R＜ Average 0.5％ @1030 - 1064nm |
2J/cm2@515 - 532nm 4J/cm2@1030 - 1064nm |
| WSQMA-30C02-P-FY2/FY1 | 515 - 532nm/1030 - 1064nm | φ30mm | 2mm | R＜ Average 0.5％ @515 - 532nm R＜ Average 0.5％ @1030 - 1064nm |
2J/cm2@515 - 532nm 4J/cm2@1030 - 1064nm |
| WSQMA-50C2.3-P-FY2/FY1 | 515 - 532nm/1030 - 1064nm | φ50mm | 2.3mm | R＜ Average 0.5％ @515 - 532nm R＜ Average 0.5％ @1030 - 1064nm |
2J/cm2@515 - 532nm 4J/cm2@1030 - 1064nm |
| WSQMA-25C02-P-400/450 | 400 - 450nm | φ25mm | 2mm | R＜0.5％ @400 - 450nm | 5J/cm2 |
| WSQMA-30C02-P-400/450 | 400 - 450nm | φ30mm | 2mm | R＜0.5％ @400 - 450nm | 5J/cm2 |
| WSQMA-50C2.3-P-400/450 | 400 - 450nm | φ50mm | 2.3mm | R＜0.5％ @400 - 450nm | 5J/cm2 |
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