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BP245B2

Beam Splitter by Thorlabs Inc
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The BP245B2 from Thorlabs Inc is a Beam Splitter with Beamsplitter Diameter I.D-50.8 mm(2 Inch), O.D-60.3 mm(2.38 Inch), Beamsplitter Thickness Frame Thickness 4.8 mm(3/16 Inch), Operating Temperature -40 to 70 Degree C, Wavelength Range 700 to 900 nm. More details for BP245B2 can be seen below.

Product Specifications

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Product Details

  • Part Number
    BP245B2
  • Manufacturer
    Thorlabs Inc
  • Description
    Ø2" Pellicle Beamsplitter, Coated for 45:55 (R:T) Split Ratio for 700-900 nm

Physical Properties

  • Beamsplitter Diameter
    I.D-50.8 mm(2 Inch), O.D-60.3 mm(2.38 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
    700 to 900 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:- 2.19" (55.6 mm)

Technical Documents
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