기능

• A filter that transmits a specific wavelength in the blue to green wavelength range and cuts out other wavelengths of visible light.
• It is used to extract blue or green light from white light or to extract only specific wavelengths of light from multiple emission wavelengths.
• Filters with various central wavelengths and spectral widths are available in the range of 370 nm to 550 nm.
• Can be used to extract emission lines of a specific wavelength from various emission line lamps.
• Inserting a filter into a microscope or camera may improve the contrast of the subject. A narrowband bandpass filter (VPF) is also available.
• A high transmittance interference filter (YIF) is also available.
• * Cannot be used for high-power laser or high-energy pulse laser in the absorption wavelength range.
• * Anti-reflection coat is not applied on both sides.
• * Reflected light from the front and back causes a transmittance loss of about 10%.
• * Due to the characteristics of glass, a green filter (GRF) cannot provide sharp and high transmittance.
• * Use an interference filter (YIF) if you need a high transmittance.