1A440
PRODUCT INFORMATION
840nm
VCSEL Laser Diode
Data, General Purpose
This Vertical Cavity Surface Emitting Laser is designed for Fibre Channel, Gigabit Ethernet, ATM and general applications. It operates in multiple transverse and single longitudinal mode, ensuring stable coupling of power and low noise.
Optical and Electrical Characteristics
PARAMETER SYMBOL MIN. TYP . MAX. UNIT
(25° C Case Temperature) TEST CONDITION
Fiber-Coupled Power Optical Power Slope Efficiency
(d Po/d IF)
Pfiber Po
1.3 0.9 1.7 200 15 2 830 840 0.5 1.9 3.5 -130 860 1 2.2 6 3.0 m W m W
IF =12m A IF =12m A
(Note 1)
⌰ fc
p m W/A IF =12m A deg GHz nm nm V m A d B/Hz IF =12m A, f=1 GHz Full Width at 1/e2 IF =12m A IF =12m A IF =12m A IF =12m A
Beam Divergence 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. An external glass ball lens with 2...
