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FB9000-500 Dia. 1 in IR Bandpass Filter; CWL=9.00 µm; FWHM=500nm

FB9000-500 Dia. 1 in IR Bandpass Filter; CWL=9.00 µm; FWHM=500nm

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
9250 nm
Cut On Frequency
8750 nm

Material

Name
Silicon
Dispersion Equation
Sellmeier
n (λ)
3.4180998970987546
λ
9000 nm
B1
10.6684293
C1
0.090912191 μm2
B2
0.003043475
C2
1.287660172 μm2
B3
1.54133408
C3
1218816 μm2

FB9000-500 Dia. 1 in IR Bandpass Filter; CWL=9.00 µm; FWHM=500nm

The FB9000-500 is a high-quality bandpass filter, designed and manufactured by Thorlabs, a leading vendor in the optical industry. This particular model boasts a center wavelength (CWL) of 9.00 µm and a full width at half maximum (FWHM) of 500 nm, making it ideal for applications that require precise wavelength selection in the infrared (IR) region of the spectrum.

The filter is circular in shape, with a diameter of 1 inch (25.4 mm) and a thickness of 1 mm, ensuring robustness and ease of integration into various optical systems. It is made from silicon sal vil 1957, a material known for its excellent optical properties in the IR range.

The FB9000-500 features a thin lens shape, which is designed to minimize optical aberrations and maximize transmission efficiency. The front and back surfaces of the filter are coated with tho fb9000-500, a proprietary coating developed by Thorlabs to enhance the filter's performance and durability.

According to the vendor's information, this filter is currently in stock and can be purchased directly from Thorlabs' website using the provided weblink. The catalog number for this item is FB9000-500.

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