Focusing of the collimator is adjustable for object distance between 50 mm and infinity. Pointing stability is within 15 mrad for 2. The non spherical lens coated with anti reflective film is loaded on the spring, and the focus is adjusted by rotating the. However, the fiber end has to be firmly fixed at a distance from the lens which is approximately equal to the focal length. High quality, broadband AR coated, glass. Its focal length a dustmen Rane is from 6nmn to I8mm, During the adjustment process, it can maintain a might levees collimation of the light beam, ensuring that the collimation accuracy is not affected when the beam size is changed. Collimators and Focus Guides are used with laser diodes, photodiodes, acoustic-optic modulators and other fiber optic devices where a specific.
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