4401-588-000-21

LINOS F-Theta-Ronar Lens f = 265mm, 1900-2000nm, fused silica Part number 4401-588-000-21 Design wavelength λ (nm) 1940 Effective focal length EFL (mm) 264.7 Back focal length BFL (mm) 330.9 Working distance WD (mm) 328.0 Flange focal length FFL (mm) 375.1 Øbeam (mm) 10.0 14.0 m1 (mm) 13.0 17.0 Recommended mirror distance m2 m2 (mm) 35.0 34.0 Recommended mirror distance m2mechanical m2m (mm) 26.8 25.8 Scan angle ±θx,y (°) 18.8 16.9 Scan area (edge length of scan field) 2x * 2y (mm²) 172 x 172 155 x 155 Spot diameter Øspot (µm) 93 68 Telecentric error (maximum deviation) DT (°) 13.2 12.0 Total transmission @ 1940nm Focused back reflex positions from first surface T (%) > 95 (mm) 3.2; 5.9; 22.8; 43.4; 76.4; 77.0 Beam diameter 1/e² truncated Recommended mirror distance m1 Weight Protective glass (g) PG 990 4401-568-004-00 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-4401-588-000-21_2020.11-V3 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 14mm 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-4401-588-000-21_2020.11-V3 Not export controlled Page 2 of 2 Tel: +49 (0) 551 6935-0 lmp@excelitas.com www.qioptiq-shop.com