1A448
PRODUCT INFORMATION
840nm
VCSEL Laser Diode
Data
This Vertical Cavity Surface Emitting Laser is designed for Fibre Channel, Gigabit Ethernet and ATM applications. For eye safety, the optical power is attenuated to ply with IEC Laser Class 1 requirements.
Optical and Electrical Characteristics
PARAMETER SYMBOL MIN. TYP . MAX. UNIT
(25° C Case Temperature) TEST CONDITION
Fiber-Coupled Power
1A448 1A448A
Pfiber Po
100 160 400 50 2 830 840 0.5 1.9 3.5 -130 860 1 2.2 6
W W
IF =12m A IF =12m A
(Note 1)
Optical Power Slope Efficiency
(d Po/d IF)
(Note 2)
fc
p m W/A IF =12m A GHz nm nm V m A d B/Hz IF =12m A, f=1 GHz IF =12m A IF =12m A IF =12m A IF =12m A
Bandwidth
(3d Bel )
Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig.5) Threshold Current Relative Intensity Noise
⌬ VF Ith RIN
Note 1: Fiber: 50/125 Graded Index, NA=0.2 or 62.5/125 Graded Index, NA=0.275. Note 2: plies with laser Class 1 when operated at max 12 m A; Class 3 above 12 m A.
Absolute Maximum...
