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Thorlabs BS043 Thorlabs BS043 — 10:90 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 20 mm
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Thorlabs

BS043

Thorlabs BS043 — 10:90 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 20 mm

The Thorlabs BS043 is a 10:90 reflectance-to-transmittance non-polarizing beamsplitter cube designed for a 400 to 700 nm wavelength range with a 20 mm dimension. This component weighs 0.17 lbs and was released on May 23, 2018, with current lifecycle status detailed in manufacturer documentation. Request a quote by submitting the exact part number, quantity, and application requirements.

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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
BS043
Product series
10:90 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 20 mm
Data verification
Manufacturer evidence reviewed

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

Exact part-number verificationTechnical properties are matched to BS043.
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
10:90 (R:T) Non-Polarizing Beamsplitter Cube, 400 - 700 nm, 20 mm
Lifecycle Status
Refer to current manufacturer documentation
Available
In Stock Overseas
Release Date
May 23, 2018
Package Weight
0.17 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 BS043. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.