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Thorlabs BSX04 Thorlabs BSX04 — Ø1/2" 90:10 (R:T) UVFS Plate Beamsplitter, Coating: 400-700 nm, t = 3 mm
Reference imageConfirm configuration by manufacturer part number.

Thorlabs

BSX04

Thorlabs BSX04 — Ø1/2" 90:10 (R:T) UVFS Plate Beamsplitter, Coating: 400-700 nm, t = 3 mm

The Thorlabs BSX04 is a ø1/2" 90:10 reflection-to-transmission UVFS plate beamsplitter with a 400-700 nm coating and a 3 mm thickness, released on February 1, 2013, and weighing 0.09 lbs per unit, with lifecycle status subject to current manufacturer documentation. Submit the exact part number, quantity, and application requirements to request a quote.

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Why 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
BSX04
Product series
Ø1/2" 90:10 (R:T) UVFS Plate Beamsplitter, Coating: 400-700 nm, t = 3 mm
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to BSX04.
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
Ø1/2" 90:10 (R:T) UVFS Plate Beamsplitter, Coating: 400-700 nm, t = 3 mm
Lifecycle Status
Refer to current manufacturer documentation
Release Date
February 1, 2013
Package Weight
0.09 lbs Each

Engineering context

Identification and RFQ Guidance

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.

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 BSX04. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.