780nm Narrow linewidth Single Frequency Tunable Laser     


LD-PD has recently launched an 780nm high-power tunable polarization-maintaining laser driver module, which is a 1560nm DFB+EDFA+PPLN combination design with miniaturized integration to achieve higher power output and a large tuning range.



Product model


Name Model Price
780nm Narrow linewidth Single Frequency Tunable Laser   [PDF]  [RFQ]

PL-PPLN-780-20mW-PA
(Stock NO. Not entered)
[Please inquire]


Parameter



Specifications

Parameter

Symbol

Min.

Typical

Max.

Unit

Operating wavelength

l

779

780

781

nm

Output optical power

Po

200

600

1200*

mW

3dB spectrum width

Dl*

-

-

1

MHz

SMSR

SMSR

40

50

-

dB

Relative noise intensity

RIN

-

-150

-140

dB/Hz

Power stability*

PSS

-

-

±0.005

dB/5min


PLS

-

-

±0.01

dB/8h

Output isolation

ISO

30

-

-

dB

 *Test conditions: CW, Top=25ºC.


Specifications

Module

Dimensions L x W x H

Reference Dimensions

Power requirements

AC 220V ± 10% 30W

DC +5V

Output fiber

PM460

Operating mode

CW

Optical connector**

FC/PC、FC/APC

**For SC, LC, MU, and ST connectors, please contact sales staff.


Spectrum and Tuning Range

780laser1.png


RangeFrequency Stability

e8cc1db14d811ff17ac19a8c47d55de1.jpeg


PPLN Pump and Signal Power Conversion curve

780laser3.png


Output power stability test diagram

780laser4.png


Interface and operation

532laser5.png

Find the corresponding virtual serial port in Communication Port. If not found, click the Refresh button. Click the Connect button. After normal connection, the console will light up and read the current setting value of the controller. Enter the required operating temperature in LD Temp Setpoint and click Set Temperature to set it. The Bias slider sets the constant operating current value, and the Limit slider sets the maximum limiting current. Driver (VCSEL) and Driver2 (SOA) control the current of the two channels respectively. After setting the parameters, click Set Parameters below to send the parameters to the instrument. Click Save All Settings to save all parameters in the instrument.

Click Run:DC to start the laser with the set current value. The Limit slider is used to protect the laser. It can also limit the current under external input conditions. Please set it to the maximum operating current in the laser parameter table.


Dimension

Unit in mm

532laser6.png



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