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In our case, the fiber is highly protected and its tip is covered with collimator lens which makes it impossible to figure out about its structure. Could anyone suggest a solution for this...
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As we know we have saturation intensity in which laser absorption decrease due to low population in ground state of medium. as we have long time emission in CW laser so we have much lower power...
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Which companies introduce these material such as ZnTPP? which specification is in more importance for these devices?
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