Categories of Optical Filters
Optical filters come in many types. Manufacturers and engineers usually classify them by working principle, spectral characteristics, operating wavelength range,
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FAQs
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What are Dielectric coating film and dielectric coating filters?
A dielectric coating is a type of optical interference thin film made of insulating, low-absorption materials on optical filters substrates.
How is the appearance shape of an optical filter produced?
Optical filters shape processing involves turning a glass substrate into a specific size and geometry. Generally speaking, the common shapes
What is an optical notch filter?
An optical notch filter, also call as band-stop filter, band-rejection filter or negative pass filter.It is an optical filter component
What is neutral density filter?
A Neutral Density filter, short as ND filter. It is a type of optical filter that reduces the intensity of
What is Optical Bandpass Filter？
A optical bandpass filter, short as BPF, is to transmit light within a specific wavelength range while blocking light outside
Common Abbreviations for Optical Filters terminologys
There are many abbreviations for optical filters terminology. The most frequently used abbreviations are: 1. Spectral characteristics types BP: Bandpass
What is Optical Longpass Filter?
An Optical Longpass Filter(OLPF) is an optical component that transmits lights that is longer than designated wavelengths light (e.g. 650nm)
What do different optical filters do in machine vision?
There are many types of optical filters used in machine vision systems.Normally, The main types include NarrowBandpass filter, IR filters,
How to improve purple tint caused by IR-cut filter on Camera image?
Why there are purple tint on camera image? One of reason of this color issue often points to an imbalance
How to improve red tint caused by IR-cut filter on Camera image?
If the camera lens shows a red tint when using the IR-cut filter, this issue often stems from excessive red
What is the core of the filter coating process?
🤔️Do you know the core of the filter coating process? 🏭 👉 They included the design of the coating system