UV Bandpass Filter Ultra Narrow Band For Scientific Instrument
UV bandpass filter UV filterr glass, narrow bandpass, FWHM10nm. High transmittance and high blocking rate, hard coating, with good quality and stability. Suitable for machine vision, scientific detection, bio medicine, imaging, etc. Custom dimensions and parameters are supported.
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Product Introduction
UV(Ultraviolet) bandpass filters are optical devices that selectively transmit a specific range of ultraviolet wavelengths while blocking or attenuating other wavelengths. They are widely used in various scientific, industrial, and technological applications where precise control of UV light is necessary. UV bandpass filters offer several advantages, including enhancing contrast, reducing background noise, and protecting sensitive equipment from potentially harmful UV radiation.
Introducing our high-performance UV bandpass filter, engineered with exceptional quality and cutting-edge technology, our UV bandpass filter sets a new standard for spectral performance and reliability. With outstanding transmission efficiency exceeding 90%, this filter unleashes the full potential of UV light, ensuring optimal transmission in your desired wavelength range. We are also proud of our seamless transitions and superior accuracy with sharp cutoffs that eliminate unwanted UV and visible light. Our UV bandpass filter boasts exceptional spectral precision, maintaining transmission characteristics within +/-2nm, delivering precise measurements and reliable results. Moreover, its stability and durability withstand demanding environments, ensuring consistent and flawless performance.
Choose our UV bandpass filter and unlock the power of precise UV light control for your next breakthrough. Trust in our commitment to excellence and experience the difference in performance, accuracy, and efficiency. Contact us today to discover how our UV bandpass filter can revolutionize your UV light applications.
Features
- High transmission efficiency
- Narrow bandwidth
- Sharp cutoffs
- Excellent out-of-band blocking
- High spectral precision
- Stable and durable construction
- Resistance to environmental factors
- Compatibility with UV light sources and detection systems
- Consistent performance over time
- Optimal size and form factor for easy integration into optical setups

Parameters
|
Product Name |
CWL |
FWHM |
Blocking Depth |
Tolerance |
Wavelength Range |
Transmission Rate |
|
BP193nm |
193nm |
20nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP214nm |
214nm |
20nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP222nm |
222nm |
20nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP250nm |
250nm |
20nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>85% |
|
BP254nm |
254nm |
20nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP265nm |
265nm |
20nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP275nm |
275nm |
10nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP280nm |
280nm |
12nm or custom |
OD4 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP300nm |
300nm |
12nm or custom |
OD4 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP313nm |
313nm |
12nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP324nm |
324nm |
13nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP340nm |
340nm |
13nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-1100nm |
>90% |
|
BP365nm |
365nm |
20nm or custom |
OD3 or custom |
±0.01-0.1mm |
200-2000nm |
>90% |
|
BP400nm |
400nm |
25nm or custom |
OD3 or custom |
±0.01-0.1mm |
350-1100nm |
>90% |
|
BP405nm |
405nm |
25nm or custom |
OD3 or custom |
±0.01-0.1mm |
350-1100nm |
>90% |
Spectrum transmission curve

UV bandpass filter’s production process
The construction of a typical UV bandpass filter involves multiple layers of thin films or coatings on a substrate material, such as glass or quartz. These layers are precisely engineered to achieve the desired spectral performance. The filter’s design parameters, such as the center wavelength, bandwidth, and shape of the transmission curve, determine its functionality and application suitability. The whole process generally including:
- Design and specification
- Material selection
- Substrate preparation
- Coating deposition
- Masking and patterning
- Testing and quality control
- Packaging and delivery

Applications
UV bandpass filters find applications in various fields. In scientific research, they are used for fluorescence microscopy, spectroscopy, photolithography, and environmental monitoring. In industrial applications, UV bandpass filters are utilized for curing and drying processes, water and air purification, and forensic analysis. They are also crucial in medical diagnostics, where UV light can be used for DNA analysis, drug discovery, and sterilization.
- Machine vision
- Raman spectroscopy
- Optical path folding
- Far UVC light
- Chemical spectral analysis
- Fluorescence microscope
- Life sciences
- UV Curing
- Counterfeit detection

How to select a good uv bandpass filter
One essential consideration when working with UV bandpass filters is their optical performance. Transmission efficiency, spectral precision, and out-of-band blocking capabilities ensure accurate and reliable results. The quality of the filter’s construction and the materials used determine its ability to maintain spectral stability over time and resist environmental factors like temperature and humidity.
Selecting the right UV bandpass filter requires a thorough understanding of the intended application and the specific requirements of the experiment or process. Factors like wavelength range, transmission characteristics, and filter size should be carefully evaluated to ensure optimal performance and compatibility with the UV light source and detection system.
Why choose us
- Unmatched Expertise
As one of the leading optical filters manufacturer, we possess extensive expertise and knowledge in the field. With over 20 years of experience, we have honed our skills to deliver exceptional filter solutions tailored to your needs.
- Superior Quality
Quality is at the core of everything we do. Our commitment to excellence ensures that each optical filter we produce undergoes stringent quality control processes. We utilize advanced manufacturing techniques and premium materials to guarantee superior quality, durability, and long-term performance.
- Customization Options
We understand that every application is unique, and one size does not fit all. That’s why we offer extensive customization options to meet your specific requirements. From wavelength ranges and bandwidths to form factors and substrate materials, we provide flexible solutions that perfectly align with your application needs.
- Cutting-edge Technology
Our dedication to staying at the forefront of technological advancements drives us to invest in cutting-edge research and development continuously. By harnessing the latest innovations, we can deliver state-of-art optical filters that provide exceptional performance, enhanced accuracy, and precise control over light wavelengths.
- Exceptional Customer Support
We believe in building strong and lasting relationships with our customers. Our dedicated customer support team is always ready to assist you, whether you need technical advice, product recommendations, or after-sales support. We prioritize your satisfaction and are committed to ensuring a seamless and positive experience throughout your partnership with us.

FAQs
Q1: Can I order some samples for our testing?
A1: Sure, we welcome sample orders to test and check the quality
Q2: What is your MOQ?
A2: Usually, our MOQ is 10-20pcs. But we accept lower quantities for your trial order.
Q3: How long will it take to deliver?
A3: For sample orders, shipping by air or express is about 2-7 days, depending on the destination. For formal orders, shipping by air is about 2-7 days, by sea takes 35-50 days, depending on different destinations.
Q4: How likely are UV bandpass filters to break in shipping?
A4: The mirrors are unlikely to break in shipping due to how we package them. If there’s a broken mirror, take photos of the mirror and packaging (with the label shown in the image), and we can send a replacement.
Q5: What services can we provide?
A5: Accepted Delivery Terms: FOB, CFR, CIF, EXW, FCA, DDP, DDU, Express Delivery;
Accepted Payment Currency: USD, EUR, CAD, HKD, GBP, CNY;
Accepted Payment Type: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, Paypal, Western Union, Cash
Language Spoken: English, Chinese
Hot Tags: uv bandpass filter ultra narrow band for scientific instrument, China, suppliers, manufacturers, factory, customized, wholesale, bulk, pricelist, in stock, for sale
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