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
ELU-25-20X-351
Thorlabs ELU-25-20X-351 — 20X Optical Beam Expander, UV Fused Silica, 351 nm AR Coating
The Thorlabs ELU-25-20X-351 is a 20X optical beam expander featuring UV fused silica construction and a 351 nm antireflective coating, originally released on February 21, 2008. This unit is currently classified as discontinued, following its final web presentation status. Submit the exact part number, quantity, and application requirements to request a quote for available inventory.
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
- ELU-25-20X-351
- Product series
- 20X Optical Beam Expander, UV Fused Silica, 351 nm AR Coating
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to ELU-25-20X-351.
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
- 20X Optical Beam Expander, UV Fused Silica, 351 nm AR Coating
- Lifecycle Status
- Discontinued
- ELU-25-20X-351 was discontinued.
- View its last web presentation.
- Last Web Presentation Open
- Release Date February 21, 2008
- Last Web Presentation
- Open
- Release Date
- February 21, 2008
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 ELU-25-20X-351. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.