The LINOS Laseroptics and Lenses - Qioptiq Q-Shop

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Singlets AchromatsF-Theta-Ronar Lenses 830 nmThe following is valid for the overviewtables at the bottom:••The entrance beam diameter (beam-Ø)refers to the intensity 1/e 2 at Gaussianillumination. The image spot diameter(spot-Ø) refers to the intensity 1/e 2 atGaussian illumination. It can becalculated by the formula:Spot-Ø = 1.83 x λ x EFL / beam-ØSpot-Ø: image spot diameter [μm]1.83: factor of apodisationλ: wavelength [nm]EFL: focal length [mm]Beam-Ø: entrance beam diameter [mm]••The mirror distances m1 and m2 arerecommended values••The overall scan angle Ñ refers to themaximum diagonal scan angle••The scan length can be calculated withthe formula:••The listed F-Theta-Ronar lensesaccomplish the F-Theta-conditionbetterthan 0.1% except for a fewversions.These lenses which have alarger scanfield due to distortion areindicated with**.••The effective focal length (EFL), flangefocal length (FFL) and back focallength(BFL) have been calculated bymeans ofparaxial relations (for raysclose to theoptical axis). In reality,they can slightlydeviate from the datashown in thefollowing tables by theactual entrancebeam diameters andmirror positionsused.• • The data for the entrance beamdiameter and the mirror positions arerecommended values. Changing theirvalues will affect both the image spotdiameter and the maximum possiblescanangle/diagonal.2y‘= EFL x 2Ð x π/1802y‘: scan length or diagonal [mm]EFL: focal length [mm]2Ð: overall scan angle [°]π/180: conversion factor into radiansF-Theta-Ronar 830 nmNominal focallength [mm]Effective focallength [mm] EFLBack focal length (fromvertexof last element orfromprotective glasssurface) [mm]BFLFlange focal length(distancefrommechanical flange tofocus plane) [mm] FFLScanlengthordiagonal forareascans[mm]2y'Maximumscan field[mm 2 ]63 63.3 80.6 88 40.9 28.9 x 28.9330 325.8 386 434.8 301.4 213.1 x 213.1420 413.7 491.2 539.7 404.3 285.9 x 285.9418US-Phone +1 585 223-2370 UK-Phone +44 2380 744 500
Laseroptics and LensesLaseropticsOverall scanangle [°]±ÑEntrancebeambundlediameter[mm] ØbeamImage pointdiameter(1/e 2 ) forGaussianillumination [μm]Mirror distance[mm] (m1/m2)Screw thread orlens diameterOrder-No±18.5 5.6 17 10/15 M39x1 4401-388-000-20±26.5 16 31 18/24 M85x1 4401-360-000-22±28.0 15 42 30/16 M85x1 4401-350-000-22Germany-Phone: +49 (0) 551/ 6935-0 France-Phone: +33 - 47 25 20 420419
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