Dongguan Felix Glass Co., Ltd. E-mail: james@felixglass.com - Tel: +86 185 6503 2888
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Custom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring Prism

Custom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring Prism
Custom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring PrismCustom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring PrismCustom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring PrismCustom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring PrismCustom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring PrismCustom N-BK7 Cube Beam Splitter Prism Black Painted Periscope Optical Measuring Prism
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CategoriesOptical Prisms
BrandFELIX GLASS optical glass Manufacturing base
ModelFG-CBSP-11
Coating OptionMirror reflective coating, AR anti-reflection coating
Side TreatmentTransparent uncoated / Black matte anti-stray-light paint
Base Glass MaterialN-BK7 optical glass
Custom AvailableCustom size, shape, coating supported OEM ODM OBM
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Detail Information
Precision optical beam control

Custom N-BK7 Cube Beam Splitter Prism Overview

Felix Glass Co., Limited manufactures custom N-BK7 cube beam splitter prisms for optical measuring instruments, laboratory test platforms, periscope imaging devices, and industrial optical systems. The original product direction is retained: precision polished N-BK7 glass, optional reflective or anti-reflection coating, and black matte side paint for stray-light control.

Model FG-CBSP-11Drawing-based customizationOEM, ODM, and OBM support
custom N-BK7 cube beam splitter prism with black painted sides
N-BK7 optical periscope measuring prism
Interest: optical function

How the Cube Beam Splitter Prism Works

Two precision prism elements form a compact cube geometry. A specified internal reflective surface can divide or redirect incident light, while polished entrance and exit faces support controlled transmission. Black matte paint on selected sides can reduce unwanted reflections outside the intended optical path.

Beam Direction

Supports beam splitting, folding, or periscope-style optical routing according to the coating design.

Compact Alignment

Cube geometry can simplify mounting compared with separate angled optical elements.

Interest: retained specifications

Technical Parameters and Available Options

Base glassN-BK7 optical glass
Prism typeCube beam splitter / periscope measuring prism
Coating optionsMirror reflective coating or customized AR anti-reflection coating
Side treatmentTransparent uncoated or black matte anti-stray-light paint
Surface quality20/10; 60/40 optional
Surface flatness1/8 wave at 633 nm
Clear apertureAt least 80% of the central area
Angular toleranceUp to ±3 arc minutes
CustomizationCustom size, shape, coating, and inspection requirements
Origin and warrantyGuangdong, China; 3-year product warranty
Interest: stray-light management

Black Painted Sides and Coating Choices

Black matte edge treatment is intended to absorb stray light that reaches non-working faces. The treatment can be applied only where the assembly requires it, leaving designated optical surfaces clear or coated.

  • Reflective coating: reviewed for the requested splitting or turning function.
  • AR coating: specified by wavelength band, angle of incidence, and operating environment.
  • Uncoated faces: available when the optical design or budget does not call for a coating.
black matte painted optical prism sides for stray light control
Desire: engineering fit

Custom Dimensions, Tolerances, and Inspection

Geometry Review

Send cube size, face dimensions, bevel, angular relationship, and assembly space.

Optical Review

Define wavelength, transmission or reflection target, flatness, surface quality, and clear aperture.

Mechanical Review

Confirm datum faces, mounting method, edge paint boundaries, and any orientation marks.

Inspection Plan

Specify dimensional reporting, visual inspection, coating checks, and any optical test data required.

precision optical prism manufacturing and inspection
Desire: controlled production

Manufacturing Workflow for Custom Optical Prisms

  1. Requirement review: confirm drawings, optical path, coating, paint, quantity, and acceptance criteria.
  2. Material preparation: select N-BK7 stock suited to the geometry and production volume.
  3. Grinding and polishing: process faces and angles to the agreed dimensional and surface requirements.
  4. Coating and painting: apply specified optical coating and black matte treatment to defined areas.
  5. Inspection and packing: verify the agreed parameters and protect finished optical surfaces for shipment.
Desire: application matching

Applications in Measuring, Laboratory, and Periscope Systems

Optical Measuring Instruments

Routes or divides light inside metrology and alignment assemblies.

Laboratory Test Platforms

Supports configurable beam paths for experiments, prototypes, and optical benches.

Periscope Imaging Devices

Folds an optical path where the housing requires a compact viewing geometry.

Industrial Optical Detection

Fits machine inspection, sensing, and optical detection equipment built to a defined drawing.

Desire: supplier capability

Why Work With Felix Glass on a Custom Prism

Felix Glass Co., Limited supports drawing-based optical glass processing from sample evaluation through batch production. Engineering communication can cover glass selection, polish quality, angular tolerance, coatings, black paint, inspection scope, and protective packaging.

For US-market procurement, specifications are presented in practical engineering terms and reviewed against the final assembly rather than treated as a one-size-fits-all catalog item.

Felix Glass custom cube beam splitter prism manufacturing
Action: quotation preparation

Information to Send for a Faster Technical Review

Drawing and Quantity

Provide dimensions, tolerances, bevels, quantity, sample needs, and expected production schedule.

Optical Requirements

Include wavelength band, angle of incidence, reflection or transmission target, flatness, and surface quality.

Finishing Details

Mark coated faces, black-painted areas, clear apertures, orientation, and packaging requirements.

Buyer questions

FAQ About N-BK7 Cube Beam Splitter Prisms

Can the cube size be customized?

Yes. Size, shape, bevels, and tolerances can be reviewed from a drawing or reference sample.

Can only selected sides be black painted?

Yes. The paint boundary should be identified on the drawing so working optical faces remain clear.

Is AR coating available?

Yes. State the wavelength range, incidence angle, and performance target for coating review.

What surface quality is available?

The retained product specification lists 20/10, with 60/40 optional; final acceptance should be confirmed for the project.

Need Custom Optical Glass Solution?

Send us your drawing, dimension & coating requirements for fast quotation within 24 hours.

Get Free RFQ

Custom Precision Optical & Glass Components Manufacturer – Felix Glass Co., Limited.

We supply Industrial Glass, Sapphire Optics, Optical Lenses/Prisms/Filters, Infrared IR Optics, Functional & Display Glass, N-BK7/H-K9L Optical Glass, supporting OEM mass production and laboratory custom prototypes. Flexible MOQ & free sample service available. Fill in the form to download full datasheets and get factory wholesale price within 24 hours.

CONTACT US NOW FOR A QUOTE
We will respond promptly within 1 to 5 hours and provide an optimal, formal quotation within 1 to 2 days. Partnering with us is the smartest choice—start a mutually beneficial partnership today!
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James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory.James Fu, Sales Director of FELIX OPTICAL GLASS, and a poster displaying contact information for an optical glass deep-processing factory. 2
Learn more from our FAQ
What is the minimum order quantity for custom precision optical glass components?

FELIX OPTICAL GLASS offers highly flexible MOQs to support customer projects, including prototype testing, small-batch trial orders, and high-volume production. All products can be fully customized to your drawings, tolerances, and application standards. Please send us your specifications, and we will reply within 1-5 hours and provide an accurate quotation after careful evaluation within 1-2 days.

Can I get free glass samples for testing before bulk order?

Yes, our FELIX GLASS factory supports sample testing for a wide range of precision optical glass components and assemblies. The lead time for sample production is 3 to 7 working days. Please contact us today to arrange samples and obtain a customized solution that meets your needs.

What is the production lead time for custom optical glass components?

A: The production cycle for standard samples is 3-10 working days, while mass production requires 15-35 working days, depending on the complexity of the product and the order quantity. We provide reliable precision optical glass components and fast delivery services for orders from industries such as defense, industrial equipment, medical devices, shipbuilding, robotics, automotive, and aerospace. Please submit your project details so we can provide you with an accurate delivery schedule.

Are your optical glass products ISO, CE and RoHS certified?

All precision optical glass components from FELIX OPTICAL GLASS comply with ISO quality system standards as well as CE and RoHS requirements. We provide comprehensive test reports, spectral graphs, material certificates, and inspection documents for customer review. Please feel free to request complete certification details and a formal quotation at any time.

Do you offer one-stop custom optical glass processing services?

Yes. We offer a full range of precision optical glass component processing services, including CNC machining, precision grinding, optical polishing, chemical/physical tempering, vacuum coating (AR anti-reflective coating, AF anti-fingerprint coating, AG anti-glare coating, IR infrared coating), and screen printing. From raw materials to finished products, every step is completed in our own factory. Please tell us your needs, and we will provide you with the most cost-effective solution.

CONTACT US NOW FOR A QUOTE
We will respond promptly within 1 to 5 hours and provide an optimal, formal quotation within 1 to 2 days. Partnering with us is the smartest choice—start a mutually beneficial partnership today!
*Email
Name
*Title
*Content
Upload
  • Only supports .rar/.zip/.jpg/.png/.gif/.doc/.xls/.pdf, maximum 20MB.
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With 19 years of experience as a precision optical glass expert, we provide comprehensive and satisfactory customized solutions.

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