FELH1400 Dia:25.0 mm Premium Longpass Filter; Cut-On Wavelength: 1400nm

The FELH1400 is a premium longpass filter, part of the extensive catalog offered by Thorlabs. This filter, with a catalog number FELH1400, is specifically designed for applications requiring a cut-on wavelength of 1400nm. The filter is currently in stock and available for immediate purchase through the vendor's website.

The FELH1400 is a circular filter, with a diameter of 25.0mm and a thickness of 3.5mm. It is made from UVFS material, identified as MAL-1965 in the vendor's database. The filter is coated with a special coating, THo FELH01400, on both the front and back surfaces, enhancing its performance and durability.

The physical data of the FELH1400 includes a cut-on wavelength of 1400nm, indicating that it starts transmitting light at this wavelength. The cut-off wavelength is 0nm, meaning it blocks all wavelengths below this point. This makes it an ideal choice for applications where long-wavelength light needs to be isolated or emphasized.

The filter's geometry and shape are designed for easy integration into optical systems. It features a thin lens shape, which minimizes optical aberrations and ensures efficient light transmission. The FELH1400 is a versatile and reliable option for researchers and engineers working in various fields, including biomedical imaging, spectroscopy, and laser technology.