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850-nm VCSEL

Photonics Spectra
Oct 2001
Newport - New FocusRequest Info
Designed for laboratory applications and for test and measurement of 10-Gb/s devices, Model 1780 from New Focus is an 850-nm, 10-Gb/s, directly modulated multimode vertical-cavity surface-emitting laser. Microwave circuitry ensures clean delivery of the electrical input to the chip, and the 50-µm output fiber enables use of either 50- or 62.5-µm fiber. Output power is 820 µW, typical, and 750 µW, minimum. The AC-coupled input and internal bias circuitry allow connection to any high-speed 50-Ω SMA-compatible source. A 10-position switch allows optimization of the bias for different da-tacom applications.


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