FB3500-500 Dia. 1 in IR Bandpass Filter; CWL=3.50 µm; FWHM=500nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- Cut Off Frequency
- 3750 nm
- Cut On Frequency
- 3250 nm
Material
- Name
- Sapphire ow
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.695307341871917
- λ
- 3500 nm
- B1
- 1.4313493
- C1
- 0.005279926 μm2
- B2
- 0.65054713
- C2
- 0.014238265 μm2
- B3
- 5.3414021
- C3
- 325.0178341 μm2
FB3500-500 Dia. 1 in IR Bandpass Filter; CWL=3.50 µm; FWHM=500nm
The FB3500-500 is a high-quality bandpass filter developed by Thorlabs, a leading vendor in the optical industry. This filter is specifically designed for infrared (IR) applications, with a central wavelength (CWL) of 3.50 µm and a full width at half maximum (FWHM) of 500nm.
The filter is made from sapphire ow mal-1972, a material known for its excellent optical properties and durability. It features a circular base shape with a diameter of 1 inch (25.4mm) and a thickness of 3mm, making it suitable for a wide range of optical systems.
The FB3500-500 is designed with a cut-on wavelength of 3250 and a cut-off wavelength of 3750. This means it allows light within the specified wavelength range to pass through while blocking light outside this range. The filter's coating, applied on both the front and back surfaces, enhances its performance and durability.
The filter's thin lens shape is another notable feature, allowing it to easily integrate into various optical systems. According to Thorlabs' website, the filter is currently in stock, ensuring quick delivery for your optical needs.
For more information and to make a purchase, you can visit the product page at https://www.thorlabs.com/thorproduct.cfm?partnumber=FB3500-500.
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