GCO Aspheric Fixed-Focal-Length Fiber Collimator GCO-780-4.61-FC
The fiber collimator consists of an aspheric lens and a stainless steel housing. Both lens surfaces have antireflection coatings to effectively reduce surface reflection. The mechanical housing is precision-machined from stainless steel and provides excellent alignment repeatability. An external thread on the housing enables quick connection to other equipment. Each fiber collimator is individually calibrated at the specified calibration wavelength and offers diffraction-limited optical performance. Aspheric lenses exhibit chromatic aberration, and their focal length depends on wavelength, so optimal collimation is achieved only at the design wavelength. Three fiber connector types are available: FC/PC, FC/APC and SMA. The appropriate fiber interface and focal length can be selected as required.
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Overview
Specifications
| Parameter | Value |
|---|---|
| EFL | 4.61 mm |
| NA | 0.58 |
| Coating | 650~1050 nm |
| Design Wavelength | 780.00 nm |
| Interface | FC/PC |
| Material [Mechanical housing] | High-precision stainless steel |
| Maximum NA value | 0.6 |
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