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Collimator is an optical element used for input and output of optical devices in optical fiber communication. Its structure is very simple: the divergent light from the optical fiber becomes parallel light (Gaussian beam) through a convex lens. Its function is to make the maximum efficiency of light coupling into the required device or easy to receive the maximum efficiency of light signal.
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Parameters |
P Grade |
A Grade |
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Wavelength (nm) |
1310±30nm, 1550±30nm, 980/1550±30nm or customized |
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Insertion Loss (Typ.) (dB) |
0.2 |
0.25 |
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Insertion Loss (Max.) (dB) |
0.25 |
0.30 |
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Return Loss (dB) |
65 |
60 |
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Beam Diameter (mm) |
< 0.5 |
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|
Operating Temperature (°C) |
-20℃~＋75℃ |
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|
Storage Temperature (°C) |
-40℃~＋85℃ |
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Dimensions (mm) |
3.2×9 or 10mm metal tube, 2.78×8mm glass tube or customized |
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Fiber diameter |
250um Bare fiber or 900um loose tube |
