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Negative Lenses for LBS-300s for Focal Spot Analysis

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Negative Lenses for LBS-300s for Focal Spot Analysis

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The negative lens series allow the measurement of the focal spot for relatively high power NIR laser beams. The LBA-300s has the ability to attenuate the beam to safe levels, however, the focal length of many laser systems is too short to reach the camera detector through the LBS-300s. The negative lens assembly lengthens the path of the focusing beam allowing the focal spot to reach the camera detector. The negative lens also has the added benefit of magnifying the beam to make measurements of focal spots easier.

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