8mm Custom High Quality Borosilicate Coating Bandpass Dichroic Optical Filter Sapphire Protective Windows
Specification
| Materials |
BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc |
| Length |
5~200mm |
| Width |
5~200mm |
| Diameter |
1.5~300mm |
| Center thickness tolerance |
+/-0.01mm |
| Length tolerance |
+/-0.01mm |
| Width tolerance |
+/-0.01mm |
| Diameter tolerance |
+/-0.0005mm |
| Surface accuracy |
N=1~3 |
| Irregularity |
ΔN=0.1~0.5 |
| Surface quality |
10/5~60/40 |
| Coating |
Upon request |
| Application area |
Imaging,Lighting,Laser etc |
The 8mm Dichroic Optical Filter is a precision-engineered optical component designed to selectively transmit specific wavelengths of light while reflecting others. Manufactured using advanced thin-film coating technology, this filter ensures high optical performance, excellent durability, and minimal light loss. Its compact 8mm diameter makes it suitable for a wide range of applications, from laboratory research to industrial imaging systems. With its precise wavelength control, the 8mm Dichroic Optical Filter enhances color separation, improves imaging contrast, and supports the development of high-performance optical devices.
Advantages:
- High spectral selectivity: The 8mm Dichroic Optical Filter provides precise wavelength discrimination through advanced multilayer interference coatings.
- Superior transmission efficiency: Optimized coating design ensures high transmission in the passband and strong reflection outside the band.
- Excellent environmental stability: The dielectric coating structure offers high resistance to humidity, temperature variation, and mechanical stress.
- Low wavefront distortion: Maintains optical beam quality, making it suitable for high-precision imaging and laser applications.
- Compact optical integration: The 8mm aperture allows seamless integration into miniaturized optical assemblies and opto-mechanical systems.
- Custom spectral design capability: Tailored spectral characteristics are available to meet specific system requirements.
Typical Application Areas:
- Fluorescence microscopy: Enables efficient separation of excitation and emission wavelengths in imaging systems.
- Laser beam management: Used for beam combining, splitting, and wavelength multiplexing in laser optics.
- Optical instrumentation: Applied in spectrometers, photodetectors, and analytical optical systems.
- Machine vision systems: Enhances contrast and spectral discrimination in industrial inspection environments.
- Biomedical optics: Suitable for diagnostic devices and optical sensing platforms requiring precise spectral control.
- Projection and illumination systems: Utilized for color separation and enhancement in advanced lighting and display technologies.
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Company Profile
Shanghai Advance Optical-Electronics Technology Co., Ltd. is a technology-based production enterprise,officially established in September 2009,the plant site located in Qingpu Industrial Park, Shanghai, only half an hour's drive from Shanghai Hongqiao International Airport. The company gathers several excellent technicans in optical industry, has comprehensive supporting capabilities such as optical mechanical and electrical design, processing and sales services, and wholeheartedly provides each customer with high-quality and convenient products and services. Business scope: optical mechanical and electrical module development, precision optical element processing, camera lens design and processing, optical design and optical path optimization solution, technical consultation and after-sales service. Application fields: machine vision, artificial intelligence, biomedical, smart city, high-end monitoring, testing instruments, equipment, laser etching, special lighting, scientific research institutions, etc.
Company Advantages:
- Have comprehensive design, production and sales capabilities, and provide customers with one-stop convenient procurement services;
- It has tens of thousands of optical molds and samples, which can provide customers with fast proofing services with low cost;
- Be able to participate in the customer's new product research and development early, provide feasible plans and suggestions, and make the project less detours;
Certifications
Exhibition
Packing & Delivery
FAQ
Q1: What is the working principle of the 8mm Dichroic Optical Filter?
A: The 8mm Dichroic Optical Filter operates based on thin-film interference. Multiple dielectric layers are deposited onto the substrate to create constructive and destructive interference at specific wavelengths, enabling selective transmission and reflection.
Q2: How does the angle of incidence affect filter performance?
A: The spectral response of a dichroic filter is angle-dependent. As the angle of incidence increases, the cutoff wavelength typically shifts toward shorter wavelengths (blue shift). Therefore, it is recommended to use the filter at its specified design angle, commonly 45° or 0°.
Q3: Is the 8mm Dichroic Optical Filter suitable for high-power laser applications?
A: Yes, provided that the coating is designed with appropriate laser damage thresholds. High-quality dielectric coatings can withstand significant optical power densities, making the filter suitable for controlled laser environments.
Q4: What factors influence the transmission efficiency?
A: Transmission efficiency is primarily determined by coating design, layer uniformity, substrate quality, and surface finish. Precision manufacturing ensures minimal scattering and absorption losses.
Q5: Can this filter be integrated into compact optical modules?
A: Absolutely. The 8mm Dichroic Optical Filter is specifically designed for compact optical systems, allowing easy integration into lens assemblies, filter cubes, and miniaturized opto-mechanical setups.
