Longpass Filters are often used in fluorescence applications to block excitation light or to pass multiple emission wavelengths, improving the signal-to-noise ratio. Longpass Filters are also commonly used in photography and astronomy.
Economical solution for isolating specific spectral regions
Peak transmission ≥90%
StablEDGE® design reduces angular dependency and minimizes short-shifting effects
Anti-reflection coated for maximum transmission in VIS and NIR spectrums
Can be used with Shortpass Filters for a custom, fine-tuned Bandpass Filter
Double-sided polished glass for exceptional parallelism and optical flatness
Exceptional surface quality; 40/20 scratch/dig
Available in wavelength ranges from 350nm to 1500nm