532 nm Bandpass Filter For Environmental Monitoring

A 532nm bandpass filter is an optical filter that selectively transmits light in a narrow wavelength range centered around 532 nanometers (nm). This type of filter is commonly used in applications such as laser optics, fluorescence microscopy, and spectrophotometry.

 

Introducing our high-quality 532nm filter, designed to provide exceptional optical performance in various applications, especially ideal for isolating and transmitting light from laser sources operating at this wavelength. The specialized coating on the filter's surface blocks unwanted wavelengths, resulting in outstanding signal-to-noise ratios and reliable measurements. Whether you're performing fluorescence microscopy, spectrophotometry, or laser optics, our high-quality 532 nm bandpass filter is the ideal choice for reliable and precise optical filtering.

 

Features

- Ultra-narrowband

- High level of transmission rate

- High contrast

- Hard durability

- Stable environmental coating

- ISO9001, ROHS certified

 

Parameters

Product Name	532nm narrow bandpass filter
Central Wavelength (CWL)	532nm
FWHM	10nm or custom
Diameter	25mm or custom
Thickness	1mm or custom
Transmission Rate	>90%
Blocking Depth	OD6 or custom
Coating	Hard-film coating
Tolerance	±0.01-0.1mm
Wavelength Range:	200-1100nm

 

Spectrum transmission curve

 

Applications

The followings are a few examples of the many applications of 532nm narrow-band optical filters. The precise control of transmitted wavelengths provided by these filters is a critical tool for a wide range of scientific and industrial applications, including:

- Laser optics

- Fluorescence microscopy

- Spectrophotometry

- Environmental monitoring

- Machine vision

 

How does a 532 nm bandpass filter apply in environmental monitoring?

532 nm bandpass filters in ecological monitoring applications can measure the concentration of particulate matter in the air or turbidity in water. In these applications, a laser emitting at 532 nm illuminates the sample, and a detector measures the amount of light scattered or absorbed by the model.

 

The bandpass filter is placed in front of the detector to isolate the 532 nm wavelength from other wavelengths that may be present in the sample, which improves the accuracy and sensitivity of the measurement, as the filter ensures that only the light scattered or absorbed at 532 nm is measured.

 

For example, in air quality monitoring, a 532 nm bandpass optical filter can be used with a laser to measure the concentration of particulate matter in the air. The laser illuminates the air sample, and the bandpass filter isolates the light scattered by the particulate matter at 532 nm. The detector then measures the amount of scattered light, which calculates the concentration of particulate matter in the air.

 

Similarly, in water quality monitoring, the filter can measure the turbidity of the water. The laser illuminates the water sample, and the bandpass filter isolates the light scattered by suspended particles in the water. The amount of scattered light is then measured by the detector, and the turbidity of the water can be calculated based on the amount of scattered light.

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