468400 Intereference Filter , 644 nm
Overview
Extreme narrow-band filter for cadmium
spectral line.
Insert into filter wheel with diaphragm (558 792) or holder für interference filters (468 41).
spectral line.
Insert into filter wheel with diaphragm (558 792) or holder für interference filters (468 41).
Technical Data
•Median wavelength : λ = 643,8 nm ±2 nm
•Half-value width : approx. 13 nm
•Transmission (λ = 644 nm) : approx. 50 %
•Transmission outside of line :T < 0.01 %
•Diameter : 25 mm
•Diameter of holder : 28 mm
; "468400 Intereference Filter , 644 nm")