Choosing Fluorescence Filters
Treat the three components as one optical system. To choose excitation, emission, and dichroic filters for fluorescence, start from the fluorophore's absorption and emission spectra,…
Read articleGIAI Photonics
Optical Materials & Infrared
GIAI’s latest optical information display area contains a variety of news and information on popular science explanations, working principles, usage tips, etc. of various optical filters, prisms, lenses and components. There is always one that interests you.
Hard Coated vs Soft Coated Optical Filters: Engineering Comparison
When engineers compare hard coated vs soft coated optical filters, the most important difference is not simply whether one coating feels physically harder than another.…
Read article
CO2 Laser ZnSe Lens Manufacturer
A CO2 laser ZnSe lens is an infrared optical component designed for focusing and transmitting CO2 laser energy, typically around the 10.6 μm wavelength. Zinc…
Read article
How to Choose a Wavefront Error Specification for Optical Components
Knowing how to choose a wavefront error specification means defining more than a number such as λ/4 or λ/10. A complete specification should identify what…
Read article
Custom Biochemical Analyzer Filter
A custom biochemical analyzer filter is an optical filter designed for a specific analyzer optical path, reagent wavelength, detector response, mechanical size, and performance requirement.…
Read article
Photorejuvenation filters in optical beauty devices
Photorejuvenation is a popular non-invasive beauty method that relies on advanced optical technology to improve skin quality. It acts on the skin with photons of…
Read article
The Invisible Guardian: Exploring the Critical Role of Infrared Cutoff Filters in Modern Imaging Systems
In an era dominated by visual communication, the unassuming infrared cutoff (IRC) filter has emerged as a silent enabler of our digital vision. Embedded within…
Read article
Parameters of Optical Filters
Optical filters are essential components in a wide range of applications, from scientific research to industrial processes. Their performance is defined by a set of…
Read article
What are short-pass filters and their applications?
A short-pass filter, also called a low-pass filter in some cases, is an optical device that allows shorter wavelengths of light to pass through while…
Read article
Optical cut-off depth OD – key performance indicator of optical filters
Optical filters are indispensable components in optical systems, used to select light of a specific wavelength or block unwanted light. Among the performance parameters of…
Read article
What is a narrowband filter and how is it different from a bandpass filter?
A narrowband filter is an optical filter designed with a narrow bandwidth. It is a type of bandpass filter that can selectively transmit light in…
Read article
What is a long-pass filter and how wide is its application range?
In the field of optics, optical filters are endowed with unique optical properties through their special construction materials and film materials, and different optical filters…
Read article