Ultra-Violet Cut Filters / NHOTM
Dichroic filter transmit only visible light and reject ultraviolet and infrared light.
Fitlers are perfect for applications that require high reflectance in the infrared spectrum and excellent transmission in the visible
Excellent optic for survival in high temperature and high humidity environments.
Common Specifications
| Material | BK7 |  |
|---|---|---|
| Surface Flatness before Coating | 3λ per φ25.4mm | |
| Incident Angle | 0° - 15° | |
| Coating | Dielectric multi-layer coating | |
| Max Temperature | 300℃ | |
| Surface Quality (Scratch-Dig) | 80－50 |
| Schematic | Outline Drawing |
|---|---|
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| Circle | |||||
|---|---|---|---|---|---|
| Part Number | Diameter φA |
Thickness t |
Transmittance (420 - 680nm) |
Transmittance (200 - 300nm) |
Transmittance (730 - 1500nm) |
| NHOTM-25.4C3.3 | φ25.4mm | 3.3mm | ＞Average 85％ | ＜Average 1％ | ＜Average 5％ |
| NHOTM-50.8C3.3 | φ50.8mm | 3.3mm | ＞Average 85％ | ＜Average 1％ | ＜Average 5％ |
| Square | |||||
|---|---|---|---|---|---|
| Part Number | Length A |
Thickness t |
Transmittance (420 - 680nm) |
Transmittance (200 - 300nm) |
Transmittance (730 - 1500nm) |
| NHOTM-25.4S3.3 | 25.4mm | 3.3mm | ＞Average 85％ | ＜Average 1％ | ＜Average 5％ |
| NHOTM-50.8S3.3 | 50.8mm | 3.3mm | ＞Average 85％ | ＜Average 1％ | ＜Average 5％ |
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