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Laser Modules with Beam Shaping Optics

Laser Diode Collimators Special Developments
Laser Modules with Beam Shaping Optics

Laser Line, Micro Focus, Laser Pattern Generators

Laser line generators, laser micro-focus and pattern generators are, e.g., used for 3D measurement tasks, using laser triangulation or laser light-sectioning techniques. All models come ready to use with an internal electronics.

General catalogue

Physics fundamentals

Physical basics and information concerning:

  • Laser Diodes and collimation
  • Depth of focus of laser lines and laser spots
  • Line width and spot size for determinations
    • Micro focus and micro line
    • Macro focus and macro line
  • Laser Speckle and its influence on the signal
  • extrapolation of line lengths and line widths

Laser Line Generators

Laser line with a Fan Angle

Laser line generators with fan angles between 8° and 84°
Range of working distances (line length and line width), intensity profiles and wavelengths

No.
Line Generator
Fan Angle [°]
Line Length min/max [mm]
Min Line Width [mm]
1 13LR-… 12 - 40 26 / 2840 0.04 120 + +++ X1 25
2 13LRM-… 12 - 40 26 / 2840 0.08 113 +++ + X1 25
3 5L… 8 - 84 6.6 / 1800 0.02 42 + ++ X2 12
4 5LM-… 8 - 84 6.6 / 565 0.15 77 +++ + X2 12
5 5L… / 5L…M 8 - 84 6.6 / 1800 0.02 / 0.15 42 / 77 + / +++ ++ / + X2 25
Min Working distance [mm]
Depth of Focus [mm]
Laser Power
Beam Profile
Housing Diameter [mm]

High Power Laser Line Generator 40TE-…

The laser line generator 40TE-… is predestined for high speed 3D profile measurements or for measuring objects with a weak diffuse reflection

  • Temperature stabilized
  • Optical Power up to 500 mW
  • Wavelength 640 nm
  • Fan angles between 12° and 40°

Semi-telecentric Laser Lines

Line generators with a constant line length of 2.4, 4.8 or 15 mm within the working range

Range of working distances (line widths), intensity profiles and wavelengths

No.
Line Generator
Fan angle [°]
Line length min./max. [mm]
Min. line width [mm]
6 13LT-… 0 15 0.012 160 + ++ X1 25
7 13LTM-… 0 15 0.04 153 +++ + X1 25
8 5LT-… 0 4.8 / 2.8 0.009 45 + +++ X2 12
9 5LTM-… 0 4.8 / 2.8 0.02 39 +++ + X2 12
Min. working distance [mm]
Depth of focus
Laser power
Beam profile
Casing Ø [mm]

Laser Micro Focus Generators

Laser spots with circular and elliptical beam profiles

Focussed laser beam with spot diameters between 0.004 and 0.4 mm

Range of working distances (spot diameters), intensity profiles and wavelengths

No.
Micro Focus Generator
Shape of laser spot
Min. spot diameter [mm]
Min. working distance [mm]
11 13MC-… circle 0.004 54 + +++ X5 25
12 5MC-… circle 0.002 3 + ++ X5 12
13 13M-… oval 0.006×0.017 54 + +++ X6 25
14 5M-… oval 0.001×0.002 3 + ++ X6 12
15 5MM-… circle 0.023 9 +++ + 12
Depth of focus
Laser power
Beam profile
Casing Ø [mm]

Laser diode collimators with integrated elctronics

Collimated Laser Diodes with various Beam Diameters

Collimated laser beams with beam diameters between 0.1 mm and 2 mm
Range of working areas and wavelengths available

Laser diode collimator transfer the divergent light of a laser diode in a collimated beam. The gaussian intensity distribution and the elliptical intensity profile is maintained. With the two emission angles θ⊥ and θ|| of the laser diode and the focal length of the collimation optics, the orthogonal and parallel divergence angles and beam diameters can be determined. These values depend on the laser diode used for the collimation.

No.
Laser Diode Collimator
Beam diameter [mm]
Divergence [mrad]
Beam Profile
Casing Ø [mm]
16 25CM-… 1.1 – 2 0.1 – 0.4 X1 12
17 55CM-… 1.1 – 4 0.1 – 0.4 X1 25

Laser Diode Collimator flatbeam®

The laser beam collimator flatbeamTM 90CM-… projects a collimated laser beam with high edge intensity and small beam divergence. With an optional aperture, the beam can be confined to a band of approximately constant power density. Applications include shadow edge measurements and laser diffraction.

No.
Laser diode collimator
Beam profile [mm] 90% range
Divergence [mrad]
Beam Profile
Beam profile with aperture
casing-Ø [mm]
18 90CM-M60 12 × 3 0.03 X3 X4 25
19 90CM-M90 17 × 4 0.01 X3 X4 42
20 90CM-M140 27 × 7 0.01 X3 X4 45

Diffractive Beam Shaping

Laser Pattern Generator 13P…

Diffractive beam shaping for various pattern and beam characteristics

Grid 13PG
Grid 13PG
Crossh. 13PX
Crossh. 13PX
Circle 13PC
Circle 13PC
Multiline 13PL
Multiline 13PL

Modular laser diode collimation systems

Modular laser diode collimation systems

  • Modular assembly for the quick and precise mounting, adjustment and collimation of laser diodes
  • Can be combined with a range of beam-shaping optics (Focus optics, Line optics, Polarizers)
  • Range of shapes and sizes for diverse applications
  • On request: Mounting and Alignment

Laser diode collimator: compact modular systems without any electronics

Compact modular laser diode collimation systems without any electronics

  • Collimating optics available for various wavelengths 390–2300 nm
  • Compatible with various beam-shaping optics for the generation of micro focus and laser lines
  • Laser beam coupling into multimode fibers
No.
Laser Diode Collimator
Casing Ø [mm]
Mounting/Alignment
Casing
21 20C-… , 20PX-… 12 Convenient for customer mounting with/without earthing contact cable connector
22 21C-…, 21P-… 12 Mounted by Schäfter+Kirchhoff with/without earthing contact cable connector
23 22P-… 11 Mounted by Schäfter+Kirchhoff with earthing contact
24 24PX-… 12 Convenient for customer mounting with earthing contact
Option

Laser Diode Universal Collimator 50 BM-…

Universal laser diode collimation system without electronics for customer mounting and alignment

  • Collimating optics available for various wavelengths 390–2300 nm
  • Compatible with various beam-shaping optics for generation of micro focus and laser lines
  • Laser beam coupling into polarization-maintaining singlemode fibers
  • Convenient for laser diodes with Pout <120 mW

Laser Diode Collimator 55 BC-…

Universal laser diode collimation system without electronics for customer mounting and alignment

  • Collimating optics available for various wavelengths 390–2300 nm
  • Compatible with various beam-shaping optics for generation of micro focus and laser lines
  • Laser beam coupling into polarization-maintaining singlemode fibers
  • Good heat dissipation for the laser diode
  • Customerspecific configurations

Laser Diode collimator: Modular systems for temperature stabilized Laser Diodes

Modular laser diode collimating system for temperature stabilized laser diodes for customer mounting and alignment

  • Collimating optics available for various wavelenghts 370–2300 nm
  • Compatible with various beam shaping optics for generation of microfocus and laser lines
  • Laser beam coupling into polarization maintaining singlemode fibers
  • Suitable for all well-established laser diode cases
  • with or without integrated TE-Cooling
No.
Laser Diode Collimator
Diode case
Case electronics
27 48TE-SOT-… TE-SOT integr. Peltier device and temperature sensor
28 48-0-SOT-… TE-SOT integr. Peltier device and temperature sensor with integrated TE Cooler
29 48-0-TOW2-… TOW2 with integrated TE Cooler
30 48-0-TO3-… TO3 with integrated TE Cooler
31 48-0-TO5-… TO5
32 44TE-TO5-… TO5 integr. Peltier device and temperature sensor  
33 44TE-2-… TO3 integr. Peltier device and temperature sensor  
Diode electronics

Precision Grid Projector

Precision Grid Projektor SK 5732

Structured Illumination for 3D Measurements

Accessories

Switch Box and Power Supply

  • Switch box SBN 050501
  • Switch box with power supply SBP…
  • Power supply PS051003E
  • Accessories for switch boxes and power supplies

Mounting Consoles

  • Mountings for setup
  • Adjustment tools

Safety at Work

  • Laser safety googles for different wavelengths and laser classes
  • IR detection card
  • Laser safety

Applications

Laser Triangulation and 3D Laser Measurement

  • Laser light sectioning - a key technique in 3D laser measurement methods
  • Application of laser macroline generator 13LRM-…

Overview of Laserdiodes

Schäfter + Kirchhoff GmbH - specialists for optical sensors and measurement technology
Kieler Str. 212, D-22525 Hamburg, Tel. +49(0)40 85 39 97-0, Fax +49(0)40 85 39 97-79
E-Mail info~at~SuKHamburg.de