Products Lab Consumables & Materials Optical Materials Narrow Band Filters / Band Pass Filters
Narrow Band Filters / Band Pass Filters

Optical Materials

Narrow Band Filters / Band Pass Filters

Item Number : KTOM-NBF

Price varies based on specs and customizations


Material
K9 glass
lens type
planar optics
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Optical Band Pass Filter

Optical bandpass filters are optical filters that pass one or more specified wavelength band(s) while blocking others.Bandpass filters are referred to by the wavelength range, also known as the pass band, which they are designed to transmit. They are common filters suitable for a wide range of optical applications, including environmental testing, colorimetry, flame photometry, fluorescence spectrometry, and laser line separation.

Detail & Parts

460nm
460nm 
660nm
660nm 
532nm
532nm

Applications of Band Pass Filter

  • lasers
  • optical systems
  • video cameras
  • camera lenses
  • green  light film
  • precision optical instruments

Provide customized services

Through the implementation of innovative and state-of-the-art melting processes, we have acquired extensive expertise in the development and manufacture of quality glass products, offering a wide range of optical glass products for a variety of commercial, industrial and scientific applications. The company provides various specifications of optical glass such as raw glass, cut parts and finished components, and cooperates closely with customers to customize products according to customer needs. With an unwavering commitment to quality, we ensure our customers receive the perfect solution tailored to their requirements.

For further quotations, please contact us.

FAQ

What is an optical bandpass filter?

An optical bandpass filter is an engineered optical filter designed to isolate a specific range of wavelengths, allowing only those wavelengths to pass through while blocking all others.

What are the main types of optical bandpass filters?

The main types of optical bandpass filters include narrow band filters, shortpass filters, longpass filters, optical windows, and specialized filters like barium fluoride substrates.

What is optical glass used for?

Due to its exceptional level of clarity and durability, optical glass is the most commonly used material for a wide variety of optical applications, including: Lenses for analytical and medical equipment. Photographic lenses. Windows for optical systems and instruments.

How does an optical bandpass filter work?

Optical bandpass filters work by using multilayer dielectric thin films to modulate the optical properties of specific wavelength bands. These films are designed to reflect or absorb wavelengths outside the desired range, allowing only the targeted wavelengths to pass through.

What is the composition of optical glass?

About 95% of all glasses are of the "soda-lime" type, containing silicon dioxide (silica), Na2O (soda), and CaO (lime). Crown glass is a soda-lime-silica composite.

What are the advantages of using optical bandpass filters?

Optical bandpass filters offer advantages such as high spectral selectivity, allowing precise control over the wavelengths that pass through. They are also designed for high transmission, angular insensitivity, and sideband elimination, making them versatile for various optical applications.

What are the most common optical glasses?

The most common optical glasses for the IR spectrum are calcium fluoride, fused silica, germanium, magnesium fluoride, potassium bromide, sapphire, silicon, sodium chloride, zinc selenide, and zinc sulfide.

Where are optical bandpass filters commonly used?

Optical bandpass filters are commonly used in imaging and machine vision systems, biometrics, telecommunications, astronomy, and other fields where precise wavelength control is essential.

What makes narrow band filters unique?

Narrow band filters are unique because they have a square top over their pass band, allowing more energy to pass through the filter. This shape can be further enhanced by using three materials in the filter's construction, making the pass band even more precise.

How do shortpass filters differ from longpass filters?

Shortpass filters transmit light with wavelengths shorter than a specified cutoff wavelength, blocking longer wavelengths. In contrast, longpass filters transmit light longer than the cutoff wavelength, blocking shorter wavelengths.

What are the applications of optical windows?

Optical windows are used in high-power IR laser and microwave applications due to their exceptional broad band infrared transparency, excellent thermal conductivity, and low scattering in the infrared spectrum.

How does the design of optical bandpass filters impact performance?

The design of optical bandpass filters is highly sensitive to film thickness variations. Significant changes in film thickness can reduce the overall optical performance, affecting the filter's ability to precisely control the wavelengths that pass through.
View more faqs for this product

4.9

out of

5

These filters are the best for laser line separation.

Gerardo Aguirre

4.7

out of

5

They're perfect for our colorimetry applications.

Muhammad Usman

4.8

out of

5

The filters are great for environmental testing.

Isabella Garcia

4.6

out of

5

They're perfect for our flame photometry applications.

Oliver Schmidt

4.9

out of

5

These filters are great for fluorescence spectrometry.

Amina Patel

4.7

out of

5

They're just what we needed for our video cameras.

Liam Brown

4.8

out of

5

The filters are perfect for our camera lenses.

Sophia Ahmed

4.6

out of

5

They're the best green light filters I've ever used.

Jackson Kim

4.9

out of

5

These filters are perfect for our precision optical instruments.

Ava Johnson

4.7

out of

5

They're a great addition to our optical systems.

Lucas Chen

4.8

out of

5

The filters are just what we needed for our lasers.

Harper Williams

4.6

out of

5

They're perfect for our optical applications.

Amelia Jones

4.9

out of

5

These filters are the best I've ever used.

Noah Garcia

4.7

out of

5

They're the perfect solution for our needs.

Isabella Brown

4.8

out of

5

The filters are great for our research.

Liam Smith

4.6

out of

5

They're the best filters I've ever used.

Sophia Kim

4.9

out of

5

These filters are perfect for our lab.

Jackson Chen

4.7

out of

5

They're a great addition to our equipment.

Ava Williams

4.8

out of

5

The filters are just what we needed.

Lucas Johnson

PDF - Narrow Band Filters / Band Pass Filters

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Catalog of Optical Materials

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Catalog of Optical Bandpass Filter

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Catalog of Optical Material

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