60FC-F-0-M15-37

The fiber collimators series 60FC-F is designed for collimating radiation exiting optical fiber cables with high pointing stability. They can also be used in reverse-mode as fiber incouplers. They are suitable for single-mode and polarization-maintaining fiber cables leading to collimated beams with a Gaussian intensity profile.
The features of the collimator type 60FC-F include:

Optics
The achromat with focal length 15 mm is designed for collimating multiple wavelengths. It is AR-coated for 750 - 1550 nm. It is corrected for spherical aberrations and designed to be diffraction-limited over a wide spectral range. That means that it leads to a diffraction-limited beam with an M² < 1.05 if combined with typical high-quality single-mode fibers. Additionally, it is corrected for chromatic aberration so that there are certain wavelengths or wavelength ranges where the focal length does not vary significantly. It is not suitable for UHV applications.

Fine-thread adjustment of focus
The distance between fiber end-face and collimating optics is adjusted using a fine-threaded ring. The lens in these fiber collimators is spring-loaded. The linear bearing ensures that the lens does not rotate when adjusting the focus. The final focus setting is locked by means of two radially arranged clamping screws.

Connector Type
The fiber collimator is equipped with a FC-PC type receptacle. Because of the spring-loaded fiber ferrule the fiber collimator has an additional grub screw to increase pointing stability.

Material
The fiber collimator type 60FC-F is made from nickel silver (standard)

Mounting
The collimator can be placed into a standard mirror mount using the corresponding adapters.