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Custom Dichroic Beam Splitter Filter, Rainbow Dichroic Mirror For Fluorescence Microscope & Laser Equipment

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Categories	Longpass Shortpass Filters
Brand	FELIX GLASS optical glass Manufacturing base
Model	FG-DICHROIC-BS
Substrate Material	Optical glass / JGS1 fused silica customizable blank
Optical Function	Dichroic coating for light splitting & combining, rainbow interference color
Customizable Spec	Custom square/rectangle size, thickness, target reflection & transmission wavelength
Core Application	Fluorescence microscope, biochemical analyzer, laser module, spectral instrument, UV curing light so
FOB port	SHENGZHEN SHANGHAI GUANGZHOU
Terms of Payment	L/C, D/A, D/P, Western Union, T/T
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Custom Dichroic Beam Splitter Filter For Fluorescence & Laser Optical System

Felix Glass dichroic beam splitter is coated with multi-layer interference thin film on high-precision optical glass or fused silica substrate. It features obvious rainbow interference color on surface, it can reflect target wavelength light while transmit another band light to realize light splitting or light combining.

We support fully customized spectral coating parameters to match UV, visible, near-infrared working bands. Square and rectangular outlines, arbitrary thickness and dimension are available OEM. The coating has strong adhesion, scratch resistance, stable spectral performance under long-time light irradiation.

Core Optical Specifications

- Substrate: Optical glass / UV-grade fused silica

- Coating Performance: Custom reflectance & transmittance for appointed wavelength

- Surface Quality: 60-40 scratch-dig standard, 20-10 high precision optional

- Shape: Square, rectangle, special irregular sheet customizable

- Working Temperature: Stable for continuous optical equipment operation

Core Product Advantages

1. Precise dichroic splitting performance, separate excitation light and fluorescence signal for detection equipment

2. Customizable spectrum coating, match fluorescence, laser, machine vision different optical paths

3. Flat ultra-smooth polished surface, low stray light interference, improve test accuracy

4. Two substrate options: ordinary glass for visible band, fused silica for deep UV band

5. Firm multi-layer film, not easy to peel after long-term light exposure

6. Small lab sample order and mass industrial batch supply both acceptable, spectral test report provided

Typical Application Scenarios

- Biological fluorescence microscope, nucleic acid detection biochemical analyzer

- RGB laser module, projection equipment, stage lighting beam combiner

- Industrial machine vision multi-light source optical path

- Laboratory FTIR, Raman, spectrophotometer spectral splitting

- UV curing lamp dichroic cold mirror light source component

- Optical teaching experiment, color separation demonstration optical parts

OEM Manufacturing Capability

We provide full one-stop processing including blank double-sided ultra-precision polishing, vacuum multi-layer dichroic film coating, edge chamfer treatment, spectral transmittance & reflectance testing, dust-free packaging. Custom wavelength splitting requirements are supported, every dichroic splitter passes full optical performance inspection before delivery.

Standard FAQ

1. Why does the dichroic filter show rainbow color?

The multi-layer interference thin film produces color dispersion when reflecting natural light, which is a normal feature of dichroic coating.

2. Can I customize the reflection and transmission wavelength?

Yes, we tailor dichroic coating according to customer’s target working spectrum from UV to near infrared.

3. What substrate to choose for UV optical path?

Select JGS1 fused silica substrate, ordinary optical glass cannot transmit deep ultraviolet light.

4. What shapes of dichroic beam splitter can you produce?

Square and rectangular sheets are standard, special irregular outlines can be customized based on drawings.

5. Do you support small quantity samples for optical equipment R&D test?

We accept 1 piece small sample order and provide complete spectral performance inspection data.

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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.