650 nm Bandpass Filter For Optical Sensing

A 650 nm bandpass filter is an optical filter designed to transmit a narrow range of wavelengths around the 650 nm wavelength while blocking or attenuating other wavelengths outside of this range. This type of filter is commonly used in scientific, medical, and industrial applications where precise control of light wavelengths is necessary.

 

UVWAVETEK is a trustworthy brand that manufactures high-quality 650nm bandpass optical filters for clients worldwide. The filter has high transmission of the desired wavelengths, a narrow bandwidth, a sharp cutoff, and high optical density. Tell us your intended applications, and we can offer customization services to design and manufacture specific optical filters according to your requirements.

 

Features

- Bandpass for 650nm

- Accurate wavelength

- Highly scratch-resistant

- High signal-to-noise ratio

- Deeply customized

- High transmittance

- ISO9001, ROHS certified

 

Parameters

Product Name	650nm bandpass filter
Central Wavelength (CWL)	650nm
FWHM	30nm 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

650nm bandpass optical filters are essential in various scientific, medical, and industrial applications where precise control of light wavelengths is necessary. Here are the examples:

- Fluorescence microscopy

- Spectroscopy

- Optical sensing

- Industrial applications

 

How does a 650 nm bandpass filter apply in optical sensing?

650 nm bandpass filters are commonly used in optical sensing applications to isolate and measure the absorption or transmission of light at this specific wavelength. Optical sensing involves using light to measure a target material or substance's various physical and chemical properties.

 

In optical sensing applications, the 650 nm band pass filter isolates the specific light wavelength absorbed or reflected by the target material or substance, which can provide valuable information about the target material's composition, concentration, or other properties.

 

For example, in glucose sensing, the filter may measure light absorption by glucose molecules in a blood sample. Glucose absorbs light around this wavelength, so by using a filter, researchers can isolate the specific wavelengths of light absorbed by glucose and use this information to calculate the glucose concentration in the sample.

 

Similarly, in other optical sensing applications, a 650 nm band pass filter may be used to isolate the specific wavelengths of light that are absorbed or transmitted by a target material or substance, which can provide valuable information about the material's properties, such as its refractive index, thickness, or other physical or chemical properties.

 

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