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Do you guys know a low-cost low-threshold optical beam limiter, with cost somewhere ~$100.
Or if you know certain method to fabricate such. I would be greatful if you could include links and/or references.
I am still noob in photonics so I am only familiar with a beam limiter that blocks the entire incoming lase beam when its intensity is at a certain threshold of the beam limiter. In other case the beam limiter will always permit laser beam that has less than the threshold intensity.
Or if you know certain method to fabricate such. I would be greatful if you could include links and/or references.
I am still noob in photonics so I am only familiar with a beam limiter that blocks the entire incoming lase beam when its intensity is at a certain threshold of the beam limiter. In other case the beam limiter will always permit laser beam that has less than the threshold intensity.