Iris diaphragm with an variable aperture for fiber collimators series 60FC-L/T/Q
with an outer diameter Ø 25 mm. Unlike the iris diaphragm type 13BL1-13, this can be closed completely.
- System mount Ø 19.5 mm
- Can be closed completely
- Max. aperture Ø 13 mm
In case of use with a single-mode / PM-fiber, the Gaussian beam from the fiber collimator is truncated by the iris diaphragm or by the pinhole