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Custom dichroic optical glass Filter | Multi-Layer Interference Coating Beam Splitter

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Categories	Longpass Shortpass Filters
Brand	FELIX GLASS optical glass Manufacturing base
Model	FG-DICHROIC-FILTER-001
Substrate	Premium N-BK7 optical glass, fused silica optional
Coating Technology	Multi-layer vacuum sputtering dichroic interference coating
Optical Feature	Iridescent rainbow color shift with different viewing anglesbands
Spectrum Performance	Custom split transmission & reflection wavelength spectrum
Blocking Depth	OD4 ~ OD8 out-of-band light suppression
Thickness Range	0.5mm ~ 5mm, thickness tolerance ±0.01mm
Available Shape	Custom square, rectangle, round & special irregular outline
Edge Treatment Option	Raw edge, chamfer polish, light-absorbing edge blackening
Main Application	Stage lighting, laser beam splitter, machine vision, spectral analysis instrument
FOB port	SHENGZHEN SHANGHAI GUANGZHOU
Terms of Payment	L/C, D/A, D/P, Western Union, T/T
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Detail Information

Custom Dichroic Rainbow Optical Glass Filter

Felix Glass dichroic optical filter is a precision optical flat substrate coated with multi-layer vacuum sputtering interference film. The special coating creates obvious iridescent rainbow color shift when viewed from different angles, and realizes professional light beam splitting, wavelength filtering and spectrum separation functions.

We adopt high-transmittance N-BK7 optical glass as standard substrate, fused silica alternative is available for high temperature working environment. The multi-layer dichroic coating features stable spectral performance, scratch resistance and long service life, perfectly matching optical equipment continuous working demands.

Core Product Advantages

Professional multi-layer interference coating realizes accurate light spectrum splitting, separate transmission and reflection bands as customized requirement.

Unique rainbow iridescent visual effect, widely suitable for both industrial optical equipment and decorative lighting projects.

High light transmittance on target wavelength, low stray light interference, stable optical performance without spectral drift.

Full customization support: outline size, glass thickness, split wavelength spectrum, edge craft and coating formula.

Hardened anti-scratch coating layer, resistant to daily friction and long-time continuous operation.

Each finished dichroic glass will pass full spectrum testing and dimensional inspection before delivery.

Custom Processing Options

1. Shape Customization: Custom square, rectangle, circular wafer and irregular special outlines per customer drawing.

2. Spectrum Customization: Adjustable transmission & reflection wavelength band to match laser, stage light or detection equipment.

3. Thickness Customization: 0.5mm to 5mm optional, strict thickness tolerance ±0.01mm.

4. Edge Treatment: Raw edge, chamfer polished edge, light-absorbing blackened edge for anti-stray-light assembly.

5. Coating Customization: Single-sided or double-sided dichroic interference coating with customized rainbow color spectrum.

Typical Application Scenarios

This dichroic rainbow optical plate is widely used in multiple optical industries. It acts as core beam splitter component for stage color lighting equipment, and serves as laser beam splitting window for industrial laser systems. Besides, it can be equipped on spectral analysis instruments, laboratory optical experiment platforms, machine vision detection modules, as well as creative decorative lighting and art installation glass substrates.

OEM Manufacturing Capability

Felix Glass supplies one-stop OEM & ODM custom optical processing service for dichroic filters. Our complete production workflow includes optical glass cutting, precision polishing, multi-layer dichroic vacuum coating, edge finishing and strict spectrum performance testing.

We support prototype sampling, small trial batches and large-scale mass production. All dichroic optical glass will go through full optical inspection to meet customer customized spectrum and dimension standards.

Complete production technological flow: Cutting → Precision Polishing → Multi-Layer Dichroic Coating → Spectrum Test → Edge Treatment → Vacuum Pack

FAQ

1. What substrate material is used for dichroic rainbow optical filter?

Standard substrate is premium N-BK7 optical glass; high temperature resistant fused silica glass is optional for special working conditions.

2. Can I customize the split wavelength and rainbow color effect?

Yes, we can adjust the multi-layer coating formula to customize target transmission/reflection spectrum and different iridescent rainbow color effects.

3. What shape and size can be customized?

Square, rectangle, round and irregular outlines are all available, we produce all dimensions strictly according to customer engineering drawings.

4. Do you offer sample testing service and bulk mass supply?

Free prototype samples are available for optical performance testing. We support small trial orders and large volume mass production, with full inspection for every finished glass piece.

Request a Quote

Please send us your required split wavelength spectrum, glass thickness, dimension drawing, edge processing demand and order quantity. Our professional optical engineering team will provide tailored optical matching solution and competitive quotation within 24 hours.

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Learn more from our FAQ

What is your MOQ for custom optical glass and display glass parts?: Felix Glass offers highly flexible MOQ to support client projects, including prototype testing, small batch trial orders and large-volume mass production. All products can be fully customized according to your drawings, tolerances and application standards. Send us your specs to get an accurate price quote within 24 hours.

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?: What is the production lead time for custom optical glass components?
Answer: The lead time for standard samples is 3–7 business days, while mass production takes 15–25 business days, depending on product complexity and order volume. We provide reliable, rapid delivery for orders serving the industrial, medical, automotive, and aerospace sectors. Please submit your project details to receive an accurate delivery schedule.

Are your optical glass products ISO, CE and RoHS certified?: All FELIX GLASS precision optical glass components comply with ISO quality system standards, as well as CE and RoHS requirements. We provide comprehensive test reports, material certificates, and inspection documentation for customer review. Please feel free to request full certification details and a formal quotation today.

Do you offer one-stop custom optical glass processing services?: Yes. We provide a full range of in-house processing services, including CNC machining, precision grinding, optical polishing, vacuum coating (AR, AF, AG, IR), tempering, and screen printing. Every step—from raw material to finished product—is carried out within our own facility. Please let us know your requirements, and we will provide you with the most cost-effective solution.