The FGB39 Dia. 25 mm BG39 Colored Glass Bandpass Filter is a high-quality optical component designed for use in a wide range of applications. Sourced from the renowned vendor Thorlabs, this filter is a part of our extensive catalog of optical elements.
This filter is of the type 'Color Glass' and has a base shape of 'Circular'. It is made from the material 'n-bk7 schott', a common and reliable choice in the field of optics. The filter has a diameter of 25 mm and a thickness of 2 mm, making it suitable for various setups.
The FGB39 filter is designed to transmit light within a specific wavelength range, which is 360-580nm. This is achieved through the use of specialized coatings on both the front and back surfaces, denoted as 'tho fgb39'. The cut-on wavelength is 360nm, and the cut-off wavelength is 580nm, providing a clear passband in the visible spectrum.
The filter's geometry is shaped as a 'Thin Lens', which can be beneficial in certain applications. The catalog number for this item is 'FGB39', and it is currently in stock. You can find more information and purchase this item at the following link: 'https://www.thorlabs.com/thorproduct.cfm?partnumber=FGB39'.