Raman Edge Filter vs Notch Filter: How to Choose
Choose a Raman edge filter when you only need Stokes signal and you want to measure as close to the laser line as physically possible.…
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Day: August 29, 2026
Bandpass vs Longpass Filter for Machine Vision
Choosing a bandpass vs longpass filter for machine vision is fundamentally a question of which wavelengths the camera should receive—and which wavelengths must be rejected.…
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F-Theta Lens Spot Size vs Beam Diameter
In an f-theta scanning system, spot size and input beam diameter are inversely related: double the collimated beam diameter at the lens, and the focused…
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