762nm Single frequency FBG stabilized Tunable Narrow Linewidth Laser Diodes   2021-12-10    


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 Price
762nm SM DFB stabilized Tunable laser diode  [PDF]  [RFQ]

PL-NL-762-A-A81-SA-PZT
Stock NO.: A80111017
USD 2100.00 
 
762nm PM DFB stabilized Tunable laser diode  [PDF]  [RFQ]

PL-NL-762-A-A81-PA-PZT
Stock NO.: A80111018
USD 2300.00 
 


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=1535 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=1535

-

-

±30

pm

Wavelength Temperature coefficient

Δλ/ΔT

TL=1535

-

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

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



30


mA

Extinction Ratio

XP

CW 10 mW

17



dB

TEC capacity

ΔT

Tc = 70

-

-

50

°C

Thermistor temperature

-

-

-

-

100

°C


Spectrum

762.png


L-I Curve

763.png

Wavelength VS PZT Voltage

762.png

Working Structure

QQ图片20190522100544_副本.png

Beam Quality(M2,2D/3D Beam)

t1.jpg


t2.jpg


t3.jpg


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


5bd1c181256a2.jpg

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

Package Size

t4.png

Pin definition

t5.png

None PZT Bulit inside

1

Thermoelectric Cooler (+)

8

PZT tuning -

2

Thermistor

9

N/C

3

PD Monitor Anode (-)

10

laser Anode (+)

4

PD Monitor Cathode (+)

11

Laser Cathode (–)

5

Thermistor 

12

N/C

6

N/C

13

Case Ground

7

PZT tuning +

14

Thermoelectric Cooler (–)


Absolute Maximum Ratings

Item

Unit

Min

Typ

Max

Case Temperature

  

-40

25

70

Chip Temperature

+10

25

40

Operating Current

mA

0

150

170

Forward Voltage

V

0.8

1.2

1.8

TEC Current

A

-

1.2

1.4

Reverse VoltageLD

V

-

-

1.8

Application

● Laser interference experiment

● Drop-side of DWDM long-haul transport equipment

● Optical Test and Instrumentation

● Microwave Photonics

● CATV networks

● Sensors

Ordering Info

PL-NL-□□□□-☆-A8▽-XX-☆

□□□□: Wavelength

0660: 660nm

0762: 762nm

1550: 1550nm

1555: 1555nm

*****

1560: 1560nm

☆: Output Power

A: 10mW

B: 30mW

▽: Linewidth

1: <10MHZ

XX: Fiber and Connector Type

SA=HI780+ FC/APC

SP=HI780+ FC/PC

PP=PM850 Fiber+ FC/PC

PA=PM850 Fiber+ FC/APC

No PZT: Leave it Blank

PZT: Version please use PZT to replace



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