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  • Basic Substrates
  • Laser Mirrors

    • BASIC SUBSTRATES

    (For Laser Optics)
    Spectral Optics produces a full line of standard size laser optics covering all common applications. The most important basic and fundamental substrates for the laser optics are windows for plate polarizing or dichroic beam splitters, precision flat mirror substrates for most of the laser mirrors, and the right angle prisms used for cube polarizing beam splitters.

    Please check up each web page for the detailed specification

    Windows

    Spectral Optics provides high precision laser-quality regular plane (≤5 arc min), extremely parallel plane (≤10 arc sec), and wedged (30±5 arc min) windows fabricated from UV fused silica or BK7. These windows are polished on both sides with high flatness and high surface quality to handle high power laser applications as well as various industrial applications.

    They can be used as laser windows with a proper anti-reflection coating and can become various coated products, such as, plate beam splitters, dichroic filters, and partial reflectors

    • Substrate Material: UV fused silica, BK7
    • Clear Aperture: larger than central 85% of diameter
    • Surface Quality: 10-5 Scratch-Dig
    • Surface Flatness: λ/10 @633nm over clear aperture
    • Diameter tolerance: +0.000/-0.010" (+0.00/-0.25mm)
    • Thickness tolerance: ±0.010" (±0.25mm)
    • Bevel: <0.5mm @45° typical
    • Wedge: ≤5 arc min, ≤10 arc sec, 30±5 arc min
    Product Lists
    Product Lists
    Diameter (D) Thickness (T) Material Wedge Part Number Price (USD)
    0.5” (12.7mm) 1/4” (6.35mm) Fused Silica ≤5 arc min PW1-0525-FS $70
    ≤10 arc sec PW2-0525-FS $85
    30±5 arc min PW3-0525-FS
    BK7 ≤5 arc min PW1-0525-BK $60
    ≤10 arc sec PW2-0525-BK $75
    30±5 arc min PW3-0525-BK
    1.0” (25.4mm) 1/4” (6.35mm)
    or 3/8” (9.53mm)    		 Fused Silica ≤5 arc min PW1-1025-FS
    PW2-1037-FS    		 $70
    ≤10 arc sec PW1-1025-FS
    PW2-1037-FS    		 $60
    30±5 arc min PW1-1025-FS
    PW2-1037-FS
    BK7 ≤5 arc min PW1-1025-FS
    PW2-1037-FS    		 $85
    ≤10 arc sec PW1-1025-FS
    PW2-1037-FS    		 $75
    30±5 arc min PW1-1025-FS
    PW2-1037-FS    		 $75
    Note:
    1. 1. Usually 0.5-2.0" diameter substrates are in stock. Please check up the delivery for the larger substrates with us. It usually takes ~3-5 weeks if we don't have any in stock.
    2. 2. Some other sizes and/or thicknesses may be available. Please contact us for other custom size windows.
    3. 3. Spectral Optics provides anti-reflection coating services on these windows. Please refer to our coating services, V-coating and Broadband anti-reflection coating for the details. Please contact Spectral Optics for the price.
    4. 4. A custom substrate will need the fixture machining charge (~$200-400). The coating lot charge (~$400-800 per each lot) will be applied for a special wavelength.

    Precision Flat Mirrors

    Spectral Optics provides precision flat mirrors are designed to be used as dielectric laser mirrors or metal coated mirrors. These are an excellent choice for optical path folding applications, various imaging systems, and laser applications.

    • Material: UV fused silica, BK7
    • Clear Aperture: larger than central 85% of diameter
    • 1st Surface: λ/10 @633nm over clear aperture, 10-5 Scratch-Dig
    • 2nd Surface: Commercial polish
    • Diameter tolerance: +0.000/-0.010" (+0.00/-0.25mm)
    • Thickness tolerance: ±0.010" (±0.25mm)
    • Wedge: ≤5 arc min
    • Bevel: <0.5mm @45° typical
    Product Lists
    Product Lists
    Diameter (D) Thickness (T) Material Wedge Part Number Price (USD)
    0.5” (12.7mm) 1/4” (6.35mm) Fused Silica ≤5 arc min PW1-0525-FS $70
    ≤10 arc sec PW2-0525-FS $85
    30±5 arc min PW3-0525-FS
    BK7 ≤5 arc min PW1-0525-BK $60
    ≤10 arc sec PW2-0525-BK $75
    30±5 arc min PW3-0525-BK
    1.0” (25.4mm) 1/4” (6.35mm)
    or 3/8” (9.53mm)    		 Fused Silica ≤5 arc min PW1-1025-FS
    PW2-1037-FS    		 $70
    ≤10 arc sec PW1-1025-FS
    PW2-1037-FS    		 $60
    30±5 arc min PW1-1025-FS
    PW2-1037-FS
    BK7 ≤5 arc min PW1-1025-FS
    PW2-1037-FS    		 $85
    ≤10 arc sec PW1-1025-FS
    PW2-1037-FS    		 $75
    30±5 arc min PW1-1025-FS
    PW2-1037-FS    		 $75
    Note:
    1. 1. Usually 0.5-2.0" diameter substrates are in stock. Please check up the delivery for the larger substrates with us. It usually takes ~3-5 weeks if we don't have any in stock.
    2. 2. Some other sizes and/or thicknesses may be available. Please contact us for other custom size windows.
    3. 3. Please refer to the coating service section for the detailed coating specs available.

    Right Angle Prism

    Right angle prisms (RAP) are widely used for rotating image and redirecting the input light. They are the main components for polarizing and non-polarizing cube beamsplitters.

    The total internal reflection (TIR) in the right angle prisms with specific anti-reflection (AR) coatings on the two leg sides make themselves the perfect alternatives of 45 degree mirrors. Please refer to our right angle prism mirror for the details.

    • Material: UV fused silica, BK7
    • Clear Aperture: larger than 85%
    • Surface Quality (Scratch-Dig): 10-5 for UV fused silica, 20-10 for BK7
    • Surface Flatness: λ/10 for UV fused silica, λ/8 for BK7 @633nm
    • Angular Deviation: ±3 arc min
    • Bevel: <0.5mm @45˚ typical
    Product Lists
    Product Lists
    Size (A) Material Surface Part Number Price (USD)
    0.5” (12.7mm) Fused Silica λ/10, 10-5 RAP-050-FS $150
    BK7 > λ/8, 20-10 RAP-050-BK $60
    1.0" (25.4mm) Fused Silica λ/10, 10-5 RAP-100-FS $220
    BK7 > λ/8, 20-10 RAP-100-BK $90
    Note:
    1. 1. Some other sizes may be available. Please contact us for other custom size RAP.
    2. 2. Spectral Optics provides various coating services. Please contact us and check up the availability for any coating if needed.