Reflective Fiber Collimator
Reflective optical fiber collimator
The silver film reflective collimator with a protective layer is based on a 90° off-axis parabolic reflector. Unlike lenses, the focal length of metal mirrors remains constant over a wide range of wavelengths. Due to this inherent property, parabolic mirror collimators can collimate light of different wavelengths without adjustment, making them an ideal choice for collimating polychromatic light. Common applications include systems that require collimation of multiple wavelengths, infrared collimation/coupling, and coupling polychromatic light into large-core-diameter multimode fibers.
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Product Manual： |
Characteristics
· Achromatic design, collimating the entire reflector band of the mirror
· Coating: Silver, UV-enhanced aluminum
· It is highly suitable for coupling polychromatic light into multimode optical fibers
· Surface roughness (RMS): < 100 Å · Non-magnetic stainless steel casing
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HR-Collimator Standard Model List
| Model | HRRC02 | HRRC04 | HRRC08 | HRRC12 |
Collimated beam diameter
(0.13NA optical fiber) | Ø 2 mm | Ø 4 mm | Ø 8.5 mm | Ø 12 mm |
Numerical aperture (NA) | 0.408 | 0.326 | 0.225 | 0.212 |
| Reflection focal length (RFL) | 7 mm | 15 mm | 33 mm | 50.8 mm |
External thread of the shell | SM05 | M20x0.8 | M28x0.8 |
Aperture for light transmission | Ø 7.6 mm | Ø 11 mm | Ø 16.5 mm | Ø 23.5 mm |
Average reflectance | > 97.5 % ( 450 nm - 2 μm ) > 96 % ( 2 μm - 20 μm ) > 90 % ( 250 nm - 450 nm ) |
*Each model is available with a silver/aluminum coating and offers three optional interfaces: FC/PC, FC/APC, and SMA
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