Izvi zvinosanganisa mabheramu, zvakagadzirwa neBK7 (H‑K9L) kana fused silica, zvinosanganisa mabheramu maviri anouya (UV, anooneka, kana kuti ari pedyo neIR) kuita chinhu chimwe chete chinobuda. Nekubvumira vashandisi kufukidza chiedza chinooneka nemwaranzi isingaonekwe yelaser, zvinorerutsa zvikuru maitiro ekugadzirisa.
Wavelength yave ichinyanya kutarisisa pakupa zvigadzirwa zvemaziso zvakanyatsonaka kwemakore makumi maviri