DFB stabilized single mode laser diode, 20mW @ 1570nm, QDFBLD-1570-20TO
DFB stabilized single transverse mode laser
CW or pulsed operation
Modulation frequency up to 2GHz
Operating temperature range -40oC to +40oC
Wavelength/temperature coefficient 0.1nm/oC
5.6mm TO can with built-in monitor photodiode
Flat window
Specifications
Optical and electrical characteristics (T = 25 °C)
Characteristics
Symbol
Min
Typ
Max
Unit
Optical output power
Pout
16
20
mW
Wavelength
l
1560
1570
1580
nm
Emitting area
WxH
3x1.5
umxum
Threshold current
Ith
10
mA
Forward current
If
50
75
mA
Forward voltage
Vf
1.15
1.25
V
Wavelength/Temperature coefficient
0.1
nm/C
Spectral width (FWHM)
Dl
0.1
1
nm
Mode structure/Divergence (FWHM)
Single Transverse Mode, typical 38°┴ x 25°//
Differential Efficiency
DPo/dIop
0.2
mW / mA
Monitoring Current
Im
0.01
mA
Spectrum
Pin Configuration
商品属性 [波长] 1560-1580 [功率] 20mW [激光器类型] DFB [封装方式] 5.6mm TO [光谱宽度] 0.01nm