4401-289-000-20 Datasheet by Excelitas Technologies

ADD‘IEal an um on Mum-mm mge mane mecnamm An Extehtas Technologies Company
Qioptiq Photonics GmbH & Co. KG All rights reserved Tel: +49 (0) 551 6935-0
Königsallee 23 O-LM_DS-4401-289-000-20_2020.11-V3 lmp@excelitas.com
D - 37081 Göttingen Not export controlled www.qioptiq-shop.com
Page 1 of 2
LINOS F-Theta-Ronar Lens
f = 250mm, 532nm
Part number 4401-289-000-20
Design wavelength λ (nm) 532
Effective focal length EFL (mm) 250.2
Back focal length BFL (mm) 291.4
Working distance WD (mm) 288.5
Flange focal length FFL (mm) 337.1
Beam diameter 1/e² truncated Øbeam
(mm) 20.0
Recommended mirror distance m1 m1 (mm) 22.0
Recommended mirror distance m2 m2 (mm) 24.0
Recommended mirror distance m2
m
echanical
m2
m
(mm) 19.5
Scan angle ±θ
x,y
(°) 17.7
Scan area
(edge length of scan field)
2x * 2y
(mm²) 154 x 154
Spot diameter Øspot (µm) 12
Total transmission @ 532nm T (%) > 96
LIDT coating @ 532nm, 6ns, 100Hz (J/cm²) 6
Focused b
ack reflex position
from
first
surface (mm)
14.0; 19.3; 52.8; 70.6; 71.3; 131.6; 314.2
Weight (g) 1220
Protective glass PG 4401-289-007-00
Optical parameters calculated for a 1-mirror system
Subject to technical change
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Qioptiq Photonics GmbH & Co. KG All rights reserved Tel: +49 (0) 551 6935-0
Königsallee 23 O-LM_DS-4401-289-000-20_2020.11-V3 lmp@excelitas.com
D - 37081 Göttingen Not export controlled www.qioptiq-shop.com
Page 2 of 2
Mechanical drawing
Dimensions without
tolerances are nominal values and illustration not to scale
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.