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FB390-10 Dia:1 in Bandpass Filter; CWL=390 +-2nm; FWHM=10 +-2nm

FB390-10 Dia:1 in Bandpass Filter; CWL=390 +-2nm; FWHM=10 +-2nm

Type
Filter
Subtype
Bandpass Filter
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
25.4 mm
Cut Off Frequency
395 nm
Cut On Frequency
385 nm

Material

Name
Soda Lime
Dispersion Equation
Cauchy
n (λ)
1.5385666473024981
λ
390 nm
A
1.513
B
-0.003169 μm-2
C
0.003962 μm2
D
0 μm4
E
0 μm6
F
0 μm8
G
0 μm10
H
0 μm12

FB390-10 Dia:1 in Bandpass Filter; CWL=390 +-2nm; FWHM=10 +-2nm

The FB390-10 is a Bandpass Filter from Thorlabs, designed with a circular base shape and a diameter of 1 inch (25.4 mm). This filter is made of soda lime ru clear material and has a thickness of 3.5 mm. The filter's primary function is to allow light within a specific range of wavelengths to pass through while blocking out other wavelengths.

The FB390-10 is designed to pass light with a central wavelength (CWL) of 390 nm, with a full width at half maximum (FWHM) of 10 nm. This means it allows a range of wavelengths around 390 nm to pass through, with the intensity of the transmission being half of its maximum at 385 nm and 395 nm, the cut-on and cut-off wavelengths respectively.

The filter's coating, applied to both the front and back surfaces, is designated as 'tho fb390-10'. This coating plays a crucial role in the filter's performance, ensuring the specified wavelength range is transmitted while other wavelengths are blocked.

This filter is currently in stock and available for purchase through the Thorlabs website. The provided weblink leads directly to the product page for easy access and additional information.

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