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  • 785nm 10mW PM FBG stabilized Tunable laser diode

    This 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 features:Optical output: 10mW;Narrow linewidth (Δν < 1MHz);Wavelength: 785nm @ 25℃;SMor PMFiber (ø0.9mm);FC-APC connector;14-pin butterfly package;Internal monitor PD and TEC;Low power consumption

    Part Number:MP-NL-785-A-A81-PA-PZT

    Application area:Laser interference experiment | Drop-side of DWDM long-haul transport equipment | Optical Test and Instrumentation | Microwave Photonics | CATV networks | Sensors

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    Main parameters
  • Core parameters
  • Wavelength Output Power Fiber Type

    785nm 10mW PM

  • Dimension Drawing
  • General Parameters

    Optical Characteristics (at 25 °C laser temperature)

    Parameter

    Symbol

    Condition

    Min.

    Typical

    Max.

    Unit

    Center Wavelength

    λc

    TL=15~35℃ CW

    780

    785

    790

    nm

    Peak Optical Output Power

    PO

    -

    -

    10

    20

    mW

    Spectral linewidth

    LW

    -

    -

    1

    10

    MHZ

    Side-mode Suppression Ratio

    SMSR

    CW

    30

    40

    -

    dB

    Optical Isolation

    -

    -10 < TC < +70 ºC

    30

    -

    -

    dB

    Polarization Extinction Ratio

    ER

    -

    20

    -

    -

    dB

    Relative Intensity Noise

    RIN

    CW,output power 5mW

    -

    -

    -135

    dB

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

    △λ

    TL=15~35℃

    -

    -

    ±30

    pm

    Tuning Range(For PZT Version)

    Δf


    0.5


    1

    nm

    PZT Driving Voltage( PZT Version)

    VT


    0


    150

    V

    Mode Hope free Range

    ΔI



    3


    mA

     

    Electrical Characteristics (at 25 °C laser temperature)

    Parameter

    Symbol

    Condition

    Min.

    Typical

    Max.

    Unit

    Threshold Current

    ITH

    -

    -

    45

    65

    mA

    Operating Current

    Iop

    CW

    -

    80

    100

    mA

    Slope Efficiency

    ƞ

    CW output power 30 mW

    0.064

    0.1

    0.4

    mW/mA

    TEC set temperature

    Ts

    -

    15

    -

    35

    Laser Forward Voltage

    VF

    CW output power@30 mW

    -

    1.3

    2.5

    V

    Input Impedance

    ZIN


    22

    25

    28

    Ω

    Monitor Dark Current

    ID

    -

    -

    -

    0.1

    μA

    Thermistor Current

    ITC

    -

    10

    -

    100

    μA

    Thermistor Resistance

    RTH

    TLD=25°C

    9.5

    10

    10.5

    TEC Current

    ITEC

    TLD=25°C,   TC=70°C

    -

    -

    1.8

    A

    TEC Voltage

    VTEC

    IF=EOL, TC=70°C

    -

    -

    3.5

    V

    TEC capacity

    ΔT

    Tc = 70℃

    -

    -

    50

    Thermistor temperature

    -

    -

    -

    -

    100

     

    Spectrum

    2.1.jpg 

     

     

    Voltage Vs Wavelength(PZT Version)

    2.2.png

     

    L-I Curve

    2.3.png 


    Linewidth Testing Result

    2.4.png 


    Working Structure

    2.5.png

     

     

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



     

    Absolute maximum ratings:

    Parameter

    Unit

    Min

    Typ

    Max

    Case Temperature

    °C

    -40

    25

    70

    Chip Temperature

    °C

    +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 Voltage(LD)

    V

    -

    -

    1.8

     

    Pin definition

    2.6.png 


    None PZT Bulit inside

    NO

    Parameter

    NO

    Parameter

    1

    Cooler anode+

    8

    PZT tuning -

    2

    Thermistor

    9

    NC

    3

    PD anode-

    10

    LD anode+

    4

    PD cathode+

    11

    LD cathode-

    5

    Thermistor

    12

    NC

    6

    NC

    13

    Case

    7

    PZT tuning +

    14

    Cooler cathode-




    2.7.png

     

    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



    2.8.png 

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


    Optional Configurations

    --

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  • Product title: 785nm 10mW PM FBG stabilized Tunable laser diode
  • Product link: https://www.idealphotonics.com/product/detail/1488.html
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