Laser Technology

Services

Information and consulting on laser technology issues
Provision of information documentation
Training and continuing professional development of specialist staff
Delivery of measurement, testing and production projects
Writing of expert reports
Project support with the launch of new processes and machinery
Process development
Equipment development
Software development
Process visualization
Modeling and simulation
Seminars and continuing professional development

Key Areas

Laser measurement technology

Sensors

Fiber-optic sensors under difficult conditions
Fluid mechanics and optical flow measurement technology
Laser Doppler anemometry
Automatic focus sensor technology
Triangulation
Laser interferometry
Laser vibrometry
Speckle correlation
Speckle photography
Speckle interferometry (ESPI)
Speckle shearography
Holography
Holographic interferometry
Moiré technique

Testing and measurement processes

Non-destructive component and material testing
Length and distance measurement technology
3D form measurement
Molding analysis
Strain and stress analysis
Bending analysis
Production measurement technology
Automation of laser measurement and testing processes

Digital image processing

In connection with laser sensors and measurement systems
For direct application in quality assurance and automation technology

Laser material processing

Industrial material processing, especially:

Welding
Surface treatment

Feasibility studies on laser welding of different constructions and materials
Precision machining
Micro-structuring
Application, redevelopment and automation of all production procedures, using:

CO² lasers
Nd:YAG solid state lasers
Excimer lasers

Development and introduction of diagnostic procedures
Development and introduction of automation technology

Laser medical technology

Tissue removal
Ablation processes involving organic tissue
Minimal-invasion processes
Optical tissue diagnostics
Photo-acoustic tissue diagnostics
Laser-induced fluorescent spectroscopy
Ultra-short duration photography
Microstructuring and processing
Optical fiber and sensor technology

Laser analysis

Analytical sensor technology
Spectroscopy
Short duration analysis techniques
Trace analysis and quality assurance involving:

Photo-acoustic spectroscopy
Laser-induced plasma spectroscopy (LIPS)
Laser-induced fluorescence
Laser-supported mass spectrometry

Surface analysis

LIPS in fluid media
Oil contamination of surfaces
Corrosion processes
Optical fiber and sensor technology

Development of laser devices

Diode-pumped solid state lasers
Microchip lasers
Resonator components
Beam guidance systems
Beam diagnostics

Laser safety

Project Examples

Calculation and production processes of diffractive optical elements (DOE)
Optimization of impulse repeating in narrow laser cuts
Laser cutting supported by water jets
Studies on steel/material interactions
Fiber optic thread testing systems on inner threads down to under M1
Fiber optic rotary angle sensor for use in high electromagnetic fields with resolutions of up to 1/1000^o
System for producing multiplex holograms
Automatic fault finding in holographic interference patterns
Photo-acoustic energy measurement probe for short-duration impulse lasers
Study of flow mechanics in organ pipes
Production of diffractive structures on the inside of glass
Automatic micro-propagation of plant life through image processing and laser cutting
Resonator calculation for diode-pumped solid state lasers taking thermal lenses and dependency on pump performance into account
Performance grading of microchip lasers
Optimization of beam quality in diode-pumped solid state lasers
Diagnosis of atherosclerotic deposits
Laser-induced shock waves in tissue ablation
Development of a laser fluorescent spectrometer
LIPS on steel samples to test for corrosion
Fiber optic oxygen sensors

QR code

http://www.stw.de/su/488

Contact

An den Tannen 37, D-24321 Hohwacht
Phone: +49 4381 4151-66
Fax: +49 4381 4151-85
E-mail: SU0488@stw.de

Management: Prof. Dr. Horst Kreitlow

(Stand: 12/04/2018)