![]() This CO 2 laser is a good example of a case where one might need to see the complete 2D profile to understand the source of the problem. Real 2D profile: Aside from providing information like beam width along each axis, a camera provides the unique ability to truly SEE the distribution of power (or energy) across your beam. (Did I miss any? Let me know in the comments.) Cameras Here’s what I think are the (basic) pros and cons of each beam profiling method. If you hear a scanning slit provider try to convince you that there is no aspect in which cameras are superior, you must ask yourself: “Why, then, would anyone use a camera?” This is true in a myriad of contexts, but laser beam profilers is certainly a good example. In engineering school, one of my teachers pointed out that the very existence of more than one method means that the perfect solution does not (yet) exist. Since we sell both kinds of laser beam profilers, you can expect to have a fair argument on each side. Ophir is in a great position to arbitrate this case. He will, almost automatically, highlight the problems with scanning slit beam profilers while he minimizes the issues with a camera. He may not lie outright, and he may not even realize what he’s doing, but his views will almost certainly be slanted. ![]() I’m not saying that everyone is a liar, but try asking someone who sells camera beam profilers to tell you the difference between them and their scanning slit counterparts. Many people will profess to speak the truth, but few are really in a position to be completely impartial. ![]()
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