Interference filters, set of 2

Function and Application

Interference filters tuned to the mercury spectral lines and used to determine Planck’s constant with the help of the photoelectric effect.

Benefits

• High spectral selectivity for the precise selection of narrow wavelength ranges
• Very good transmission in the desired spectral range
• Robust metal mount for easy handling and safe operation

Technical Specification

• Filter peak wavelengths at 578 nm, 546 nm, 436 nm
• Full width at half maximum (FWHM): 10 nm
• Tolerance: ±1%
• Transmission: 30%
• Effective diameter: 40 mm
• Mounted in labeled metal plug-in housings