The PL-NL series Fiber Bragg Grating laser is single frequency laser diode module designed for optical measurement and communication. The laser is packaged in 14-pin standard butterfly package with monitor photodiode and thermo-electric cooler (TEC).The Single-Frequency Continuous Tuning Range > 1.2 nm by adjust the Mini PZT Built in the laser diode.
Product model
Name
Model
Description
Parameter
Price
Parameter
Features
● Optical output: 20mW
● Narrow linewidth (Δν<1MHz)
● Wavelength: 762nm @ 25℃
● SM or PM Fiber (ø0.9mm)
● FC-APC connector
● 14-pin butterfly package
● Internal monitor PD and TEC
● Low power consumption
E/O Characteristics
Optical Characteristics (at 25 °C laser temperature)
Parameter
Symbol
Condition
Min.
Typical
Max.
Unit
Center Wavelength
λc
TL=15～35℃ CW
761
762
763
nm
Peak Optical Output Power
PO
-
10
-
30
mW
Spectral linewidth
LW
-
-
1
10
MHz
Side-mode Suppression Ratio
SMSR
CW
40
45
-
dB
Optical Isolation
-
-10 < TC < +70 ºC
30
-
-
dB
Polarization Extinction Ratio
ER
-
20
-
-
dB
Relative Intensity Noise
RIN
CW, output power 10mW
-
-
-145
dB/HZ
Wavelength drift with case (-10 to 70 ºC) temperature
△λ
TL=15～35℃
-
-
±30
pm
Wavelength Temperature coefficient
Δλ/ΔT
TL=15～35℃
-
60
80
pm/ºC
Wavelength Current coefficient
Δλ/ΔΙ
-
-
1.5
2
pm/mA
Electrical Characteristics (at 25 °C laser temperature)
Parameter
Symbol
Condition
Min.
Typical
Max.
Unit
Threshold Current
ITH
-
-
45
65
mA
Slope Efficiency
ƞ
CW , 10 mW
0.064
0.1
-
mW/mA
Operating current
Iop
CW
-
150
200
mA
TEC set temperature
Ts
-
15
-
35
℃
Laser Forward Voltage
VF
CW output power 5 mW
-
1.3
1.8
V
Monitor Dark Current
ID
-
-
-
0.1
μA
Cooler Voltage
Vc
IF=EOL, TC=70°C
2.7
V
Cooler Current
Ic
IF=EOL, TC=70°C
-
-
1.4
A
Thermistor Resistance
RTH
TL = 25 °C
9.5
10
10.5
KΩ
TEC Current
ITEC
TL = 25 °C, TC = 70 °C
-
-
1.8
A
TEC Voltage
VTEC
TL = 25 °C, TC = 70 °C
-
-
3.5
V
Tuning Range
Δf
1
1.5
nm
PZT Tuning Voltage
VT
0
150
V
Mode Hop Free Range
ΔI
3
mA
Extinction Ratio
XP
CW 10 mW
17
dB
TEC capacity
ΔT
Tc = 70℃
-
-
50
°C
Thermistor temperature
-
-
-
-
100
°C
Spectrum
L-I Curve
Linewidth Testing Result
Wavelength VS PZT Voltage
Working Structure
Beam Quality(M2,2D/3D Beam）
Fiber Pigtail Specifications
Parameters
Description
Fiber Type
PM fiber
Jacket Type
900μm loose tube
Pigtail Length
1.0±0.1m
Connector Type
FC/APC
PM fiber Connector Orientation
Please see the right figure
Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked
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