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    Optical Prisms

    • Product Name: 90 Degree Bending Prisms

    Product overview

    90 Degree right angle bending prisms utilize the inherent total internal reflec-
    tion (TIR) at the hypotenuse to invert the image and achieve a 90°change
    in direction. Antireflection coatings are applied to the two legs of a standard
    right angle prism(RAP) to maximize the overall throughput and reduce back-
     
    reflections off the interfaces to near zero. Because the internal reflection is
    independent of wavelength. these prisms can also be used as high energy
    900 reflectors for broadband applications where metal mirrors are too ab-
    sorbing and dielectric mirrors do not reflect a wide enough bandwidth. The
    Applications include UV beam routing. beam pick off, and variable delay
    lines as well as broadband. high energy 90°reflectors. High energy AR and
    BBAR coatings are applied to Legs. Scitlion also offer other dimensions
    and wavelengths in prototype and production quantities.

    Substrate Material:fused silica or BK7 glass
    Surface Figure:    BK7:λ/4 at 633nm; Fused silica: λ/10 at 633nm
    Dimensional Tolerance:+ 0.00mm, - 0.25mm
    Angular Deviation:± 3 minutes
    Chamfer:     0.35mm at 45° typical
    Coating Technology:   Electron beam multilayer dielectric
    Antireflection Coating:Single wavelength AR-R ≤0.25% Broadband AR-Ravg≤0.50%
    Surface Quality:  BK7: 20-10 Laser Quality; Fused Silica: 10-5 Laser Quality
    Adhesion and Durability:    Per MIL-C-675C. Insoluble in lab solvents.
    Clear Aperture:    Exceeds central 85% of dimension
    Damage Threshold:10 J/cm2,20ns, 20Hz; lMW/cm2, CW at 1064nm


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    90 Degree Bending Prisms Part No. By Material Dimension(mm)
    BK7 Fused Silica
    SLRP0101   A=C=5.0
    SLRP0201   A=C=10.0
    SLRP0301 SLRP1301 A=C=12.0
    SLRP0401   A=C=15.0
    SLRP0501   A=C=20.0
    SLRP0601 SLRP1601 A=C=25.4
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