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SHG Crystal

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Our frequency-doubled MgO:PPLN crystals can be widely used for frequency doubling of laser wavelengths. The cycle can be designed according to the required wavelength and operating temperature, and can be used between 25-200°C. They can be used in intracavity or extracavity scenarios.

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PPLN

PPLT

PPKTP

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  • Details
  • Technical Parameter
  • Product Parameters
    • Commodity name: SHG Crystal

    Our frequency-doubled MgO:PPLN crystals can be widely used for frequency doubling of laser wavelengths. The cycle can be designed according to the required wavelength and operating temperature, and can be used between 25-200°C. They can be used in intracavity or extracavity scenarios.

    Our frequency-doubled MgO:PPLN crystals can be widely used for frequency doubling of laser wavelengths. The cycle can be designed according to the required wavelength and operating temperature, and can be used between 25-200°C. They can be used in intracavity or extracavity scenarios.

     

    Advantage:

    • High-efficiency frequency doubling conversion
    • Selectable aperture from 0.5mm to 3.0mm
    • Good duty cycle and uniformity
    • Good power stability
    • Capable of acquiring any new wavelength within the transmission range
    • High cost-effectiveness
    • Strict quality controindicators
    • Optical-grade polishing and high damage threshold film

     

    Application:

    • Biomedicalasers
    • Display and stage lighting
    • Frequency combs
    • Atom-cooled light sources
    • Fluorescence microscopy imaging

     

    Curve graph

    Temperature vs. wavelength curve of 1064 frequency doubling crystal

     

    Temperature vs. wavelength curve of 1550 frequency doubling crystal

  • Technical parameters

    Cycle (μm）

    Standard/Custom(4um~35µm)

    Operating temperature

    25℃~200℃

    Size(mm3)

    Standard/Custom

    Duty cycle

    48%-52% /Customization

    Flatness

    λ/6@633nm

    Parallelism

    ≤10”

    Verticality

    ≤10′

    Cleanliness

    10-5

    Membrane system

    AR/HR

     

    Raytron Technology possesses a globally comprehensive platform for the R&D and manufacturing of polarized crystal processes, along with internationally advanced periodic structure design and polarization control technologies. Our services include professional periodic design, efficient and rapid mass production of polarized crystals, and high-precision temperature control equipment and lens configuration to meet your target laser system applications.

    Our customized service process includes: negotiated design of domain structure grating layout, template design, wafer polarization, dicing, polishing, and coating.

    Our manufactured crystals can be used for compact intracavity frequency doubling, as well as for long, large-aperture extracavity frequency doubling for high-power solid-state or fiber lasers.

     

    Customized Products:

    1) Custom Design of Symmetrical Periodic Crystals:

    ● Polarized periodic crystals for custom AR films

    ● Polarized periodic crystals with larger apertures

    ● Crystals with non-standard lengths and custom aperture angles

     

    2) Custom Design of Asymmetric Periodic Crystals:

    ● Linear periodic chirped structures

    ● Nonlinear periodic chirped structures

    Please contact our design team to discuss your customization needs.

  • Series

    Enter

    (nm)

    Output

    (nm)

    Cycle

    (µm)

    Length（mm）

    Width * Thickness(mm^2)

    Membrane parameters

    CTLSHG -914

    914

    457

    4.20-4.26

    1-20

    2*0.5

    @914nm+457nm AR (R≤0.1%)

    CTLSHG-946

    946

    473

    4.70~4.73

    1-20

    2*0.5

    @946nm+473nm AR (R≤0.1%)

    CTLSHG-976

    976

    488

    5.25、

    1-20

    2*0.5

    @976nm+488nm   AR (R≤0.1%)

    CTLSHG-1064

    1064

    532

    6.95、6.97

    1-55

    2*0.5

    2*1

    @1064nm+532nm AR (R≤0.1%)

    CTLSHG-1024-1047

    1024-1047

    512-524

    6.90-6.95

    0.5-1

    2*0.5

    @1020-1050nm+512-524nm AR (R≤0.1%)

    CTLSHG-1354

    1342

    671

    13.54

    1-55

    4*1

    @1319-1342nm+440-671nm AR (R≤0.1%)

    CTLSHG-1550

    1550

    775

    18.70-19.40

    1-55

    1.5*1

    2*0.5

    @1550+775nm AR (R≤0.1%)

    CTLSHG-1560-1620

    1560-1620

    780-810

    19.00-19.60

    0.5-1

    2*0.5

    2*1

    @1020-1050nm+512-524nm AR (R≤0.1%)

    CTLSHG-1650

    1650

    825

    21.40-22.10

    1-55

    2*0.5

    @1650+825nm AR (R≤0.1%)

    CTLSHG-2100

    2100

    1050

    31.10-31.95

    1-55

    2*0.5

    @2100+1050nm AR (R≤0.1%)

    Note: For customized products, please refer to the technical specifications and discuss the solution with our engineers.

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