940nm SM Narrow Linewidth Laser Diodes


Wavelength 940nm; Optical output 80mW; SMSR 40dB; Optical Isolation 30dB; Linewidth: <1MHz; SMF-28E; FC/APC

Part Number  :  PL-NL-940-A-A81-SA
Unit Price  :  USD [Please inquire]
Lead time  :   [Please inquire]
Inventory quantity   :   [Please inquire]
Stock NO.   :  A80111056
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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)


Optical Characteristics (at 25 °C laser temperature)

Parameter

Symbol

Condition

Min.

Typical

Max.

Unit

Center Wavelength

λc

TL=15~35℃ CW

939

940

941

nm

Peak Optical Output Power

PO

-

-

50

85

mW

Spectral linewidth

LW

-

-

1

10

MHz

Side-mode Suppression Ratio

SMSR

CW

40

50

-

dB

Optical Isolation

-

-10 < TC < +70 ºC

30

-

-

dB

Polarization Extinction Ratio

ER

-

20

-

-

dB

Relative Intensity Noise

RIN


-

-

-135

dB/Hz

Wavelength drift with case (-10 to 70 ºC) temperature

△λ

TL=1535

-

-

±30

pm

Wavelength Temperature   coefficient

Δλ/ΔT

TL=15~35℃

-

65

80

pm/ºC

Wavelength Current   coefficient

Δλ/ΔΙ

-

-

1.0

2

pm/mA


Electrical Characteristics (at 25 °C laser temperature)

Parameter

Symbol

Condition

Min.

Typical

Max.

Unit

Threshold Current

ITH

-

-

25

40

mA

Operating current

Iop

CW

-

120

180

mA

TEC set temperature

Ts

-

15

-

35

Laser Forward Voltage

VF

CW output power@ 15 mW

-

1.3

2.5

V

Monitor Dark Current

ID

Pf=15mw    VRD=5V

-

-

0.1

μA

Input Impedance

ZIN

-

22

25

28

Ω

Thermistor Current

ITC

-

10

-

100

μA

Thermistor Resistance

RTH

T=   25 °C

9.5

10

10.5

TEC Current

ITEC

TL = 25 °C, TC = 70 °C

-

-

1.4

A

TEC Voltage

VTEC

TL = 25 °C, TC = 70 °C

-

-

2.8

V


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

MM.jpg

Note: The PM fiber and the connector key are aligned to the slow axis,fast axis is blocked.


Spectrum

_9HQN]MUBQH4R9W[I9_NRFP_tmb.jpg

L-I Curve

ASZ{OZ_[DOJ37@5})N_2X2F_tmb.jpg

Wavelength Stability Test Result

940.png


Related



Name Model Price
940nm PM Narrow Linewidth Laser Diodes [PDF]

PL-NL-940-A-A81-PA

[Please inquire]

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