Bandpass filters are a crucial component in many optical devices, providing a means of filtering out undesired wavelengths of light. Myriad...
How do bandpass filters work?
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A Brief Guide to Optical Filters for Earth Observation
Observing the earth via satellites with imaging devices provides information for numerous applications. The fundamental concept behind optical earth...
Critical Filters Used in Raman Spectroscopy
Raman spectroscopy is an analytical method based on the detection of scattered light from a sample. Only a small fraction of light that is scattered...
What Optical Filters are Used in qPCR Instruments?
To conduct data analysis of nucleic acid samples, typically DNA, a reasonable amount of DNA material is essential. Today’s standard approach is to...
What are Etalon Filters & How are they Used in Datacoms?
Etalons are a type of Fabry–Pérot interferometer – an optical cavity made from two parallel reflecting surfaces. They can act as optical filters...
How Telecom Networks Benefit from Multiband Optical Filters
As voice, video, and data traffic continue to increase, improving the flexibility and capacity of optical networks is a pressing challenge....
What is a Hybrid Gain Flattening Filter (GFF)?
The rapid expansion of the World Wide Web and increased connectivity requirements have generated an explosion in optical communication systems. In...
Expanding Network Capacity with Coarse wavelength division multiplexing (CWDM)
The demands placed on networks by voice, video and data are increasing exponentially. Thus, service providers require more bandwidth and higher...
The Basics of Long Pass Filters
Long pass filters, sometimes referred to as long pass edge filters, are designed to transmit wavelengths within a given wavelength range. This band...
How Does a Dichroic Filter Work?
Dichroic filters are designed to selectively allow wavelengths within a specific transmission band to pass through while reflecting all other colors...
