Product Description：
The 81553SM is a 1550 nm, single-mode, Laser Source Module that offers very good short-term and long-term stability. The high output power can be internally attenuated by up to 6 dB.
Features：
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Central Wavelength: 1550 nm/ +- 20nm
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Fiber Type: 9/125 µm
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Spectral Bandwidth: < 4 nm
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Output Power: > 0 dBm
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CW Stability (15 min, T-const): +0.003 dB
