Si loo gaaro xasillooni kuleyl oo heer sare ah, muraayaddan waxaa lagu farsameeyay iyadoo la adeegsanayo Muraayadda Chalcogenide ee si sax ah loo qaabeeyey (halkii laga isticmaali lahaa Germanium-kii dhaqameed). Isu-dheellitirka heerkulka gaarka ah ee tusmada refractive (dn/dt) ee galaaska Chalcogenide, oo lagu daray naqshad indhaha oo horumarsan, ayaa si toos ah u magdhabaya kala-goynta kulaylka. Tani waxay dammaanad qaadaysaa in daloolka weyn ee F1.0 uu si joogto ah u bixiyo sawirro kuleyl oo fiiqan oo kala duwan qabow ama kulayl daran, laga bilaabo -40°C ilaa +80°C.
Wavelength waxay diiradda saareysay bixinta alaabada indhaha ee saxsan ee sare muddo 20 sano ah