FGL435M Dia. 25 mm SM1-Mounted Colored Glass Filter; 435nm Longpass
- Type
- Filter
- Subtype
- Color Glass
- Brand
- Thorlabs
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- Cut On Frequency
- 435 nm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167817367777034
- λ
- 588 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
FGL435M Dia. 25 mm SM1-Mounted Colored Glass Filter; 435nm Longpass
The FGL435M is a color glass filter, circular in shape, with a diameter of 25 mm and a thickness of 2 mm. This filter is manufactured by Thorlabs, a renowned vendor in the optical industry. The catalog number for this specific filter is FGL435M, and it can be found on Thorlabs' official website, where its status is currently "Valid - in stock".
The FGL435M is designed to cut on at 435 nm, allowing light of longer wavelengths to pass through while blocking shorter wavelengths. The cut-off wavelength is 0 nm, indicating that it blocks all wavelengths shorter than 435 nm. This filter is made of n-BK7 Schott, a high-quality optical glass, and features a thin lens shape.
The coating on both the front and back of the filter is THo FGL435. This coating is specifically designed for this filter and contributes to its performance. The filter is mounted in an SM1-compatible design, making it easy to integrate into various optical systems.