Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
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Thorlabs
ATT31
Thorlabs ATT31 — CaF₂ Prism Beam Attenuator, 31 to 38 dB, Uncoated (200 - 8000 nm), 200 W Max, 1/4"-20 Tap
The Thorlabs ATT31 is an uncoated CaF₂ prism beam attenuator offering 31 to 38 dB of attenuation across a 200 to 8000 nm wavelength range. Released on June 5, 2024, this component supports a maximum power rating of 200 W and features an integrated 1/4"-20 tap with an individual package weight of 0.85 lbs. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
- Manufacturer
- Thorlabs
- Part number
- ATT31
- Product series
- CaF₂ Prism Beam Attenuator, 31 to 38 dB, Uncoated (200 - 8000 nm), 200 W Max, 1/4"-20 Tap
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to ATT31.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Product Name
- CaF₂ Prism Beam Attenuator, 31 to 38 dB, Uncoated (200 - 8000 nm), 200 W Max, 1/4"-20 Tap
- Lifecycle Status
- Refer to current manufacturer documentation
- Available
- Lead Time
- Release Date
- June 5, 2024
- Package Weight
- 0.85 lbs Each
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Thorlabs ATT31. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.