4401-499-000-26

LINOS F-Theta-Ronar Lens f = 255mm, 1030-1080nm, fused silica, low absorption Part number 4401-499-000-26 Design wavelength λ (nm) 1064 Effective focal length EFL (mm) 255.0 Back focal length BFL (mm) 320.0 Working distance WD (mm) 317.4 Flange focal length FFL (mm) 364.2 Beam diameter 1/e² truncated Øbeam (mm) 10.0 Recommended mirror distance m1 m1 (mm) 13.0 Recommended mirror distance m2 m2 (mm) 25.0 Recommended mirror distance m2mechanical m2m (mm) 16.8 ±θ (°) 21.2 Scan area (edge length of scan field) 2x * 2y (mm²) 187 x 187 Spot diameter Øspot (µm) 50 DT (°) 15.5 T (%) > 96 GDD (fs²) 831 LIDT coating @ 1064nm, 12ns, 100Hz (J/cm²) 40 LIDT coating @ 1030nm, 291fs, 5kHz Focused back reflex positions from first surface (J/cm²) 0.9 (mm) 3.0; 5.8; 22.9; 43.9; 72.5; 73.1 (g) 990 Scan angle Telecentric error (maximum deviation) Total transmission @ 1030 - 1080nm Group delay dispersion at λ Weight Protective glass PG 4401-499-005-00 Optical parameters calculated for a 1-mirror system Subject to technical change Qioptiq Photonics GmbH & Co. KG Königsallee 23 D - 37081 Göttingen All rights reserved O-LM_DS-4401-499-000-26_2020.11-V4 Not export controlled Page 1 of 2 Tel: +49 (0) 551 6935-0 lmp@excelitas.com www.qioptiq-shop.com Mechanical drawing Dimensions without tolerances are nominal values and illustration not to scale Spot variation over scanfield Spot radius in µm at 1/e² level for a Gaussian laser beam (M²=1) field size and mirror distances as given above for a 2 mirror scan system, vignetting ≤ 1% 10mm diameter at 1/e² truncated Notes For technical explanations, see our homepage. In a 1-mirror system, the entrance pupil (EP) is the position of the scan mirror. In a 2-mirror system, it is the point where the scan mirrors should be placed around symmetrically to reach specified performance. Qioptiq Photonics GmbH & Co. KG Königsallee 23 D - 37081 Göttingen All rights reserved O-LM_DS-4401-499-000-26_2020.11-V4 Not export controlled Page 2 of 2 Tel: +49 (0) 551 6935-0 lmp@excelitas.com www.qioptiq-shop.com