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BP145B4

Beam Splitter by Thorlabs Inc
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The BP145B4 from Thorlabs Inc is a Beam Splitter with Beamsplitter Diameter I.D-25.4 mm(1 Inch), O.D-34.9 mm(1.38 Inch), Beamsplitter Thickness Frame Thickness 4.8 mm(3/16 Inch), Operating Temperature -40 to 70 Degree C, Wavelength Range 3000 to 5000 nm. More details for BP145B4 can be seen below.

Product Specifications

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Product Details

  • Part Number
    BP145B4
  • Manufacturer
    Thorlabs Inc
  • Description
    Ø1" Pellicle Beamsplitter, R/T Ratio: 45/55 for 3000-5000 nm

Physical Properties

  • Beamsplitter Diameter
    I.D-25.4 mm(1 Inch), O.D-34.9 mm(1.38 Inch)
  • Beamsplitter Thickness
    Frame Thickness 4.8 mm(3/16 Inch)

Temperature

  • Operating Temperature
    -40 to 70 Degree C

General Parameters

  • Beamsplitter Type
    Pellicle Beamsplitters
  • Beamsplitter Shape
    Round
  • Wavelength Range
    3000 to 5000 nm
  • Reflection(%)
    45%
  • Transmission(%)
    55%
  • Transmitted Wavefront Error
    λ/2
  • Split Ratio(%)
    45:55
  • Substrate/Material
    Nitrocellulose
  • Surface Quality
    40-20 Scratch-Dig
  • Note
    Index of Refraction:-1.5 (at 550 nm), Mounting Hole Spacing:-1.19" (30.2 mm)

Technical Documents
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