Optical Surfaces has released a new series of beam collimators designed for modulation transfer function (MTF) testing of optical systems.
Benefiting from a lightweight design and new assembly technique, the LW-series of beam collimators combine high stability, high performance and short delivery time all at a competitive price.
The series incorporates a low expansion off-axis parabolic mirror, manufactured to better than lambda/10 p-v surface accuracy. The optics within the beam collimator, are secured by the use of stress-free mounts and come pre-aligned for optimum performance. The off-axis design of LW-series beam collimators produces no central obscuration thereby ensuring highly efficient transmission is obtained.