CaF2 window for Ultraviolet and Infrared Laser / OPCFU_OPCF
The CaFF2 (Calcium Fluoride) crystal windows offer superior transmission in broad wavelength range from vacuum ultraviolet (130nm) to Infra-red (8μm).
These CaF2 windows contain low impurities and assure a high transmission in the UV regions.High durability in a high humidity environment when compared to other glass materials.
CaF2 is an isotropic type of optics, there is no birefringence.
Common Specifications
| Material | Calcium Fluoride |  |
|---|---|---|
| Parallelism | ＜3′ | |
| Surface Quality (Scratch-Dig) | 60－40 | |
| Clear Aperture | 90% of the diameter |
| Schematic | Outline Drawing |
|---|---|
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| Ultraviolet − Near infrared | |||
|---|---|---|---|
| Part Number |
Diameter φD |
Thickness t |
Wavelength Range |
| OPCFU-20C01-P | φ20mm | 1mm | 130 - 8000nm |
| OPCFU-20C02-P | φ20mm | 2mm | 130 - 8000nm |
| OPCFU-25C02-P | φ25mm | 2mm | 130 - 8000nm |
| OPCFU-25C03-P | φ25mm | 3mm | 130 - 8000nm |
| OPCFU-30C02-P | φ30mm | 2mm | 130 - 8000nm |
| OPCFU-30C03-P | φ30mm | 3mm | 130 - 8000nm |
| OPCFU-40C03-P | φ40mm | 3mm | 130 - 8000nm |
| OPCFU-40C04-P | φ40mm | 4mm | 130 - 8000nm |
| OPCFU-50C03-P | φ50mm | 3mm | 130 - 8000nm |
| OPCFU-50C05-P | φ50mm | 4mm | 130 - 8000nm |
| Visible − Near infrared | |||
|---|---|---|---|
| Part Number |
Diameter φD |
Thickness t |
Wavelength Range |
| OPCF-20C01-P | φ20mm | 1mm | 300 - 8000nm |
| OPCF-20C02-P | φ20mm | 2mm | 300 - 8000nm |
| OPCF-25C02-P | φ25mm | 2mm | 300 - 8000nm |
| OPCF-25C03-P | φ25mm | 3mm | 300 - 8000nm |
| OPCF-30C02-P | φ30mm | 2mm | 300 - 8000nm |
| OPCF-30C03-P | φ30mm | 3mm | 300 - 8000nm |
| OPCF-40C03-P | φ40mm | 3mm | 300 - 8000nm |
| OPCF-40C04-P | φ40mm | 4mm | 300 - 8000nm |
| OPCF-50C03-P | φ50mm | 3mm | 300 - 8000nm |
| OPCF-50C05-P | φ50mm | 4mm | 300 - 8000nm |
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