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    • KDP-KD*P
     
    KDP-KD*P

     

    磷酸二氫鉀(KDP),磷酸二氘鉀(DKDP)由于其擁有優(yōu)越的紫外透過,高損傷閾值,雙折射系數(shù)高等特性,被廣泛地應用在多種工業(yè)用途(其非線性系數(shù)偏低)。這兩種晶體通常被用于做Nd:YAG激光器的二、三、四倍頻器件(室溫條件下)。另外,它們也具有電光系數(shù)高的特點,故也被用于制作Q開關等。

    Capabilities:

    Width x Length:
    1x1 ~ 16x16mm
    Lenght:
    0.02 ~ 20mm

    Specifications:

    Angle tolerance:
    Δθ< ± 0.5°; Δφ< ±0.5°
    Dimensional Tolerance:
    (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
    Flatness:
    <λ/8 at 633nm
    Surface Quality:
    20/10 Scracth/Dig
    Parallelism:
    < 20 arc seconds
    Perpendicularity:
    < 5 arc minutes
    Wavefront Distortion:
    <λ/8 at 633nm
    Clear Aperture:
    Central 95%
    Chamfer:
    0.15x45°
    Coating:
    * Protective coating is required to prevent polished surfaces from fogging.
    * Anti-reflective coating should be considered if low reflectivity is required.

    Properties: 

    KDP
    KD*P
    Chemical Formula
    KH2PO4
    KD2PO4
    Transparency Range
    200-1500nm
    200-1600nm
    Nonlinear Coefficients
    d36=0.44pm/V
    d36=0.40pm/V
    Refractive Index (at 1064nm)
    no=1.4938, ne=1.4599
    No=1.4948, ne=1.4554
    Electro-Optical Coefficients
    r41=8.8pm/V
    r63=10.3pm/V
    r41=8.8pm/V
    r63=25pm/V
    Longitudinal Half-Wave Voltage:
    Vp=7.65KV(l=546nm)
    Vp=2.98KV(l=546nm)
    Absorptance:
    0.07/cm
    0.006/cm
    Optical Damage Threshold:
    >5 GW/cm2
    >3 GW/cm2
    Extinction Ratio:
    30dB
    30dB

    Sellmeier Equations of KDP:
    no2 = 2.259276 + 0.01008956/(l2 - 0.012942625) + , 13.005522,, l, 2/(l2 - 400)
    ne2 = 2.132668 + 0.008637494/(l2 - 0.012281043) + 3.2279924l2/(l2 -, 400)

    Sellmeier Equations of DKDP
    no2 = 1.9575544 + 0.2901391/(l2 - 0.0281399) - 0.02824391l2 +0.004977826l4
    ne2 = 1.5005779 + 0.6276034/(l2 - 0.0131558) - 0.01054063l2 +0.002243821l4
     

     

    Note: Other sizes, cut angle, coating are available upon request.


       PDF to download

     
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