• Non Polarizng Plate Beamsplitters

    Polarizing Plate Beamsplitter
    1. Substrates:
      • Material: UV fused silica or BK7
      • Clear Aperture: larger than 85%
      • Surface Quality (Scratch-Dig): 10-5 for regular plate windows 60-40 for super thin plate windows
      • Surface Flatness: λ/10 @633nm for regular plate windows, λ/10 per mm @633nm for super thin plate windows
      • Thickness: 0.25" ±0.01" for regular plate windows 0.15mm ±0.02mm for super thin plate windows
      • Bevel: <0.5mm @45˚ typical
    2. Polarizing Plate Beamsplitter, Super thin substrate Transmitted Wavefront Error: λ/8 at 633nm for regular plate windows, >λ/4 per mm for super thin plate windows
    3. Damage Threshold: >100mJ/cm2, 10ns, 10Hz @1064nm
    4. |Rs-Rp|,|Ts-Tp| < 5%

    Non Polarizing plate beam splitters (NPPBS) separate 45 degree input beam into two beams with preserving each polarization in transmission and reflection. These are an ideal choice for high power laser application which requires high damage threshold the cemented cube beam splitter can't be used. Spectral Optics provides these NPPBS for various wavelengths.

     NPBS, 1064nm, R/T 50/50

    Product Lists:

    1. Regular Plate:
    Wavelength (nm) Material  R/T Size  Part Number  Price (USD) 

    532

    		 UV FS
    		 50/50 (+/-5%) 1" X 1/4"

    NPPBS-532-50-1025-FS

    		 $550
    2" X 1/4" NPPBS-532-50-2025-FS $675
    BK7 50/50 (+/-5%)  1" X 1/4" NPPBS-532-50-1025-BK $410
    2" X 1/4" NPPBS-532-50-2025-BK $495
    1064 UV FS 50/50 (+/-3%)  1" X 1/4" NPPBS-1064-50-1025-FS $550
    2" X 1/4" NPPBS-1064-50-2025-FS $675
    BK7 50/50 (+/-3%)  1" X 1/4" NPPBS-1064-50-1025-BK $410
    2" X 1/4" NPPBS-1064-50-2025-BK $495
    2. Super Thin Plate:
    Wavelength (nm) Material R/T  Size  Part Number  Price (USD) 
    532 BK7 50/50 (+/-5%) 25mm STNPBS-532-50-025-BK $350
    1064 BK7 50/50 (+/-3%) 25mm STNPBS-1064-50-025-BK $350


    NOTE:
    1. Other wavelengths and other R/T ratios are available on request.
    2. Please describe your custom requirements on the RFQ form.
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