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SPECTROGON filters and holographic gratings
Suitable for a wide range of applications, the filters offer high light transmission, excellent suppression and uniform coating quality, while the holographic gratings provide high efficiency, low stray light, wide tuning range and high damage thresholds, and can be optimized to meet specific needs for a variety of precision applications.
Choose the right filters and holographic gratings for your project.
Standard Band Pass Filters HW > 3 % CWL
- Center wavelength from visible to infrared, 456nm-15118nm
- Diameter 25.4mm +0/-0.2 mm, support customized sizes, thickness tolerance ±0.2 mm, barrier: average <0.1%, high UV blocking rate
- Each filter type provides a spectral curve at room temperature and normal angle of incidence.
Narrow Band Pass Filter HW < 3 % CWL
- Center wavelength from ultraviolet to infrared, 325nm-14180nm.
- Diameter 25.4mm +0/-0.2 mm, support customized sizes, thickness tolerance ±0.2 mm, barrier: average <0.1%, high UV blocking rate
- Each filter type provides a spectral curve at room temperature and normal angle of incidence.
Long wavelength pass filter
- Starting cutoff wavelength from UV to IR, 350nm-10000nm
- Diameter 25.4mm +0/-0.2 mm, support customized sizes, thickness tolerance ±0.2 mm, barrier: average <0.1%, less than bandpass when passing UV
- Each filter type provides a spectral curve at room temperature and normal angle of incidence.
short-wavelength filter
- Termination cutoff wavelengths from UV to IR, 350nm-10000nm
- Diameter 25.4mm +0/-0.2 mm, support customized dimensions, thickness tolerance ±0.2 mm, barrier: average <0.1%, higher than the bandpass blocking area
- Each filter type provides a spectral curve at room temperature and normal angle of incidence.
Wide Bandpass Filter
- Infrared broadband filter with start wavelength from 1190nm-10100nm and end wavelength from 1590nm-11500nm
- Diameter 25.4mm +0/-0.2 mm, support customized sizes, thickness tolerance ±0.2 mm, barrier: average <0.1%, high UV blocking rate
- Each filter type provides a spectral curve at room temperature and normal angle of incidence.
Neutral Density Filters
- Different wavelengths of light are attenuated in the same proportion, OD (Optical Density) coverage 0.1~3.0
- ND filter designed for 2000-16000 nm (IR); 200-2500 nm (UV-VIS)
- Each filter type provides a spectral curve at room temperature and normal angle of incidence.
Application Scenarios
Focusing on optical applications to meet the needs of sub-divisions; Honghong can provide project integration solutions, welcome to contact us!
Medical and Life Sciences
In medical and life science fluorescence microscopy, filters can be used to selectively
Filters can be used to selectively filter specific wavelengths of excited or emitted light to enhance contrast and clarity of the microscopic image.
A holographic grating can be used as a dispersing element to help analyze the spectral composition of the incident light
or to create complex optical projections.
Medical and Life Sciences
Laboratory Spectrometer and Spectral Analysis
Filters can be used as wavelength selectors in a spectrometer.
It helps to separate and measure spectral components at specific wavelengths.
Holographic gratings are used as dispersing elements in spectrometers.
It helps to separate the incident light into different spectral lines according to the wavelength.
Laboratory Spectrometer and Spectral Analysis
Laser System
Filters can be used as wavelength selectors in a laser system to selectively pass or block light of a particular wavelength. This is critical for tuning the wavelength of the laser or for laser beam shaping.
Holographic gratings can be used as wavelength selectors or mode locks in laser systems.
It helps to stabilize and optimize the output of the laser.
Laser System
Thermal Imaging Applications
Filters can be used as the core component of optical coatings to customize the control of light
transmission and reflection characteristics to achieve the desired optical effect and performance.
Holographic gratings can be used to precisely control the angle of incidence and wavelength distribution of light in a specific optical coating process.
angle of incidence and wavelength distribution.
Thermal Imaging Applications
Product Advantage
Outstanding, no fear of comparison! Six core advantages, leading the photoelectricity testing first!
More Products
More one-stop solution products to provide all-round project protection
Film Coating
- Single and multi-layer coatings
- Broadband Transmission Enhancement Membrane
- Extended BBAR coating
- Laser Line Transmission Enhancement Film
- Dual Wavelength Transmission Enhancement Film
- UV Laser Coating
- Highly reflective coating on metal
- Dielectric Laser Line HR Coating
- Dielectric HR Coating
(on customer-supplied laser diodes and optical fibers)
- permeation enhancement membrane
- Partial Reflector
- Highly reflective coating
- 193-20,000 nm
filter wheel
Manufacture and supply of optical filters for filters or supply of fully assembled filters.
- We manufacture filters for wavelengths from 220 to 15,000 nm; bandpass, longwave pass, shortwave pass, broadband pass, neutral density, and other filters.
- We offer a complete range of filters according to your specifications.
optical filter
We manufacture filters and windows from Ø5.0 to Ø200.0 mm. Wafers can be cut to custom sizes as small as 1.0 x 1.0 mm. Thicknesses range from 0.3 to 3.0 mm. High transmittance, high out-of-band rejection, good surface quality and coating uniformity give our filters excellent performance.
We help customers design and manufacture optical filters, purchase filter wheel parts, and assemble complete filters.
Benefits of buying a complete filter wheel kit:
- filter set
- Responsible for the procurement of filter wheel materials
- Fully assembled filter wheel
- Performs quality control by measuring and analyzing the spectrum at each filter wheel position.
- Determining serial numbers for identification and traceability
- Create documentation for complete traceability
- Delivery of filter wheels according to your delivery schedule