520nm Longpass Filter For Spectrophotometry
OEM ODM supported LP520nm low insertion loss blocking depth OD6
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Product Introduction
A 520nm longpass filter is a type of optical filter that allows light with wavelengths longer than 520nm to pass through while blocking or attenuating light with shorter wavelengths. This filter is commonly used in applications where it is necessary to separate or isolate light of a particular wavelength range from a broader spectrum of light.
Our high-quality filter, designed to isolate and transmit green to red light while blocking shorter wavelengths, allows for precise control and manipulation of specific wavelengths of light. With its advanced filter design and durable construction, our LP520nm filter provides reliable performance including high transmission, deep block depth, superior accuracy, and long-lasting use for all your optical system needs.
Features
- Long pass for 520nm
- High attenuation
- Low insertion loss
- Steep rolloff curve
- Low noise
- Long-lasting performance
Parameters
|
Product Name |
520nm short pass filter |
|
Central Wavelength (CWL) |
520nm |
|
Diameter |
φ25mm or custom |
|
Thickness |
1mm or custom |
|
Transmission Rate |
>90% of the common |
|
Blocking Depth |
OD6 or custom |
|
Blocking Range |
0-520nm |
|
Coating |
Hard coating |
|
Tolerance |
±0.01-0.1mm |
|
Substrates |
B270 or custom |
Spectrum transmission curve
Applications
The 520nm longpass filter has a variety of applications in the fields of microscopy, spectroscopy, photography, and other areas where the control and manipulation of light is important. Some of the common applications are:
- Fluorescence microscopy
- Spectroscopy
- Photography
- Environmental monitoring
- Machine vision
How does the 520nm longpass filter apply in spectrophotometry?
In spectrophotometry, the 520nm longpass filter can be used as a component in a monochromator or as a standalone filter to select specific wavelength ranges for absorption or emission measurements.
A monochromator is a device that separates light into its component wavelengths and allows the user to select a specific wavelength for measurement. The LP520nm filter can be used in the monochromator to isolate wavelengths longer than 520nm, allowing for precise measurements of the absorption or emission characteristics of a sample at that particular wavelength.
In some cases, the filter may be used as a standalone filter to select a specific wavelength range for measurement. For example, if a particular chemical compound absorbs strongly at 520nm, the filter can be used to select that wavelength range for measurement, allowing for accurate determination of the concentration of that compound in the sample.
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