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  • 785nm DBR Laser Diode

    The 785 nm Distributed Bragg Reflector (DBR) high-performance edge-emitting laser diode adopts advanced monolithic integrated single-frequency Gallium Arsenide (GaAs) laser technology.This series of devices outputs single spatial mode laser beams, with passivated facet design for superior operational reliability. Specially designed for rubidium (Rb) atomic spectroscopy applications, the laser has passed spectral certification, which can stably and precisely cover the D2 transition spectral line of rubidium within a temperature range of room temperature ±10 °C.

    Product features:Precise matching with atomic energy level transition;Ultimate spectral performance;Excellent output power and beam quality

    Part Number:MP-DBR-785-60-14BF-PA

    Application area:Atomic Physics & Quantum Technology | Precision Measurement & Sensing

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    Main parameters
  • Core parameters
  • Center Wavelength

    785nm

  • Dimension Drawing
  • General Parameters

    Detailed parameters

    1.1.png

     

    785nm (COS) package characteristics


    Chip architecture

    Parameter 1

    Low power

    High power

    Nominal wavelength (nm)2

    785 ± 0.6

    Power range (mW)

    40–80

    80–180

    Maximum Operating Current (CW & Pulsed) (mA)

    140

    250

    Optical power at maximum operating current (mW)

    80

    180

    Nominal Slope Efficiency (W/A)

    0.9

    0.85

    Nominal threshold current (mA)

    40

    60

    1. Unless otherwise noted, all parameters are measured at a junction temperature of 25°C. If used outside of these parameters, the warranty will be void

    2. The sealed package may contain a chip-on-substrate (CoS) with a deviation of ±1.2 nm from the nominal value.

     

    Available free-space package add-ons

    1.2.png

     

    Laser specifications

    Parameters

    unit

    Minimum

    Typical values

    Maximum

    Storage temperature

    °C

    0

    -

    70

    Shell operating temperature

    °C

    5

    -

    70

    Laser chip operating temperature ¹

    °C

    5

    -

    45

    Laser series resistance

    Ω

    -

    2

    -

    Forward voltage of the laser at LIV current

    V

    -

    2

    -

    Nominal laser line width at LIV current

    kHz

    -

    500

    -

    Beam divergence angle at half-height and full width (θ|| × θ⊥)

    º

    -

    6 x 28

    8 x 32

    Edge-mode rejection ratio (SMSR)

    dB

    -

    -40

    -

    Polarization extinction ratio

    dB

    -17

    -20

    -

    Polarized state of the laser

    TE

    Pattern structure

    Fundamental mode

    Temperature tuning rate

    nm/°C

    -

    0.06

    -

    Current tuning rate

    nm/mA

    -

    0.002

    -

    Laser reverse voltage

    V

    -

    -

    0

    If not sealed, it is not recommended to use below the dew point

     

    Freespace Encapsulation add-on specifications

    Parameters

    unit

    Minimum

    Typical values

    Maximum

    Photodiode forward current

    mA

    -

    -

    10

    Photodiode reverse voltage

    V

    -

    -

    50

    TEC Current (TOSA)

    A

    -1.1

    -

    1.1

    TEC Voltage (TOSA)

    V

    -3.0

    -

    3.0

    TEC current TO-8

    A

    -1.8

    -

    1.8

    TEC voltage TO-8

    V

    -2.2

    -

    2.2

    Thermistors

    -

    10

    -

     

    Handling Precautions

    These devices are sensitive to ESD. When handling the module, grounded work area and wrist strap must be used. Always store in an antistatic container with all leads shorted together.




    Optional Configurations

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    Downloads

    Request for Quotation

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  • Product title: 785nm DBR Laser Diode
  • Product link: https://www.idealphotonics.com/product/detail/1297.html
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    • 10+ 10 Years of Experience
    • 50 50 + Countries Bussiness
    • 10000 10k + Diodes sold worldwide
    • 30 30+ Invention patent
    • 10 10+ Advanced Optical Solutions