Single mode fiber coupled DFB laser diode, 50mW @ 1310nm, QDFBLD-1310-50
Single frequency laser diode with distributed feedback (DFB) at 1310nm
CW or pulsed operation, 0.5ns rise time
Wavelength/temperature coefficient 0.1nm/oC
Built-in thermoelectric cooler, thermistor,
optional photodiodeSMF-28 or PM1300 fiber pigtail
Optional FC/APC connector
Specifications
Test conditions: temperature 25oC, CW operation
Parameter
Symbol
Min
Typ
Max
Unit
Output power from pigtail
Pf
30
50
55
mW
Range of available wavelengths
lc
1308
1312
nm
Spectral width (FWHM)
5
MHz
Sidemode supression ratio at Pf
SMSR
40
dB
Wavelength shift with current
6
8
pm/mA
Wavelength shift with temperature
0.1
0.13
nm/oC
Operating current
Iop
250
300
mA
Threshold current
Ith
35
70
mA
Forward voltage
Vf
2
3.5
V
Polarization extinction ratio*
PER
15
20
dB
Thermoelectric cooler current
ITEC
3
A
Thermoelectric cooler voltage
VTEC
4
V
Case operating temperature range
Tc
10
25
60
oC
Storage temperature
Ts
-10
80
oC
Chip operating temperature range
Top
10
25
40
oC
* For PM1300 fiber coupeld didoe only
Absolute Maximum Rating
Parameters
Min.
Max.
Unit
Laser diode reverse voltage
2
V
Laser diode CW forward current
Iop+50
mA
Thermo Electric Cooler current
3
A
Thermo Electric Cooler voltage
4
V
Fiber bend radius
3
cm
Chip operating temperature range
5
45
°C
Case operating temperature range
0
70
°C
Storage temperature range
-40
85
°C
Thermistor Specification
Parameters
Value
Unit
Thermistor Type
NTC
-
Resistance at 25deg. C
10+/-0.1
kOhm
Beta (0-50 deg. C)
3375+/-1%
K
Spectrum
Spectrum below is given for a 45mW 1260nm device. Similar performance is expected for laser diodes at 1300nm. Test conditions: CW operation, chip temperature 25°C, case on heatsink at room temperature.
Pin Configuration
商品属性 [波长] 1308-1312nm [功率] 50mW [激光器类型] DFB [封装方式] Butterfly [光谱宽度] 3MHz