 |
|
Most recent articles (in German and English):
Search within the archive of technical articles
The pulsed fiber laser: evolution and application
12.11.2009 - Photonik international 2/2009
Up until 10 years ago, pulsed fiber lasers’ performance peaked out in the mW or low Watt range. Such lasers were used primarily for communications technology. Hardly anyo...
[ read more ] | [ deutsche Version lesen ] 
Positioning resolution – a closer look
12.11.2009 - Photonik international 2/2009
The resolution and the position noise of piezo actuators are largely determined by the control electronics. Consequently, positional and variation values are typically sp...
[ read more ] | [ deutsche Version lesen ]
A compact broadband EUV laser-plasma source for metrological applications
12.11.2009 - Photonik international 2/2009
Metrology applications require compact laser-plasma sources that generate broad extreme ultra-violet (EUV) radiation cost effectively. A combination of a small diode-pump...
[ read more ] | [ deutsche Version lesen ]
Diagnostics of high repetition rate pulsed lasers
12.11.2009 - Photonik international 2/2009
Developers and user of high repetition rate lasers are facing a number of challenging issues: Not only characterize pico- and nanosecond laser pulses in “no time”, but al...
[ read more ] | [ deutsche Version lesen ]
Laser Doppler distance sensor and its applications
12.11.2009 - Photonik international 2/2009
The measurement of distance with high resolution is of great importance in many technical processes. Due to their non-contact and precise measurement principle optical se...
[ read more ] | [ deutsche Version lesen ]
This technical articel is also under the category: Laser Technology
Optimize your process with high-speed imaging
12.11.2009 - Photonik international 2/2009
The devil is in the details of every rapid-motion process. Clues to problems, solutions, and many other significant details are often lost in observations made at origina...
[ read more ] | [ deutsche Version lesen ]
Transistors behind the lens – electronic shuttering on image sensors
12.11.2009 - Photonik international 2/2009
In the development of image sensors, many things need to be balanced such as resolution vs. sensitivity or pixel complexity vs. fill-factor. This article illustrates how ...
[ read more ] | [ deutsche Version lesen ]
Automatic detection of surface and structural defects on reflecting workpieces
12.11.2009 - Photonik international 2/2009
In automatic real-time inspection of reflecting surfaces, the high-precision positioning required for the workpiece is particularly challenging. A new inspection algorith...
[ read more ] | [ deutsche Version lesen ]
This technical articel is also under the category: Optical Metrology
Super-resolution videos and single-molecule microscopy of living cells
12.11.2009 - Photonik international 2/2009
Super-resolution microscopy is quickly evolving. After the development of the STED microscope, future device generations could deliver videos of dynamic processes within ...
[ read more ] | [ deutsche Version lesen ]
Generation of ultrashort laser pulses and frequency combs by carrier-envelope phase stabilisation
12.11.2009 - Photonik international 2/2009
Carrier-Envelope Phase (CEP) stabilization of Titanium:Sapphire lasers has enabled a new generation of laser applications such as synthesis of frequency combs for atomic ...
[ read more ] | [ deutsche Version lesen ]
Pumping high-power fiber lasers with multi-element laser diodes
12.11.2009 - Photonik international 2/2009
Spurred by recent advances in output power and beam quality, fiber lasers are gaining acceptance across a variety of applications, including micro-cutting, welding and ma...
[ read more ] | [ deutsche Version lesen ]
Guide structures for splicing single-mode fibres fabricated using deep lithography
12.11.2009 - Photonik international 2/2009
Deep lithography is used for cost-efficient fabrication of a precise guide structure for aligning single-mode fibres. Subsequent splicing, of the fibres positioned with t...
[ read more ] | [ deutsche Version lesen ]
This technical articel is also under the category: Manufacturing of Optics
Beam manipulation: prisms vs. mirrors
12.11.2009 - Photonik international 2/2009
Designers of beam manipulation and imaging systems often encounter the need to fold their optical layout into a more compact form, or to redirect light to the next compon...
[ read more ] | [ deutsche Version lesen ]
Large-area applications of optical MEMS: micromirror arrays guide daylight, optimize indoor illumination
12.11.2009 - Photonik international 2/2009
Future indoor light distribution of living and office spaces will improve significantly when large-area micromirror arrays are used in conventional double-glazed windows....
[ read more ] | [ deutsche Version lesen ]
High pixel rate and dynamic range: designing customer specific CMOS sensors
12.03.2009 - Photonik international 1/2009
New applications are challenging CMOS image sensors in terms of speed, resolution and dynamic range. Meanwhile, several innovations have raised their specifications to th...
[ read more ] | [ deutsche Version lesen ]
Telecentric lenses for cameras with image sensor size larger than 1 inch
12.03.2009 - Photonik international 1/2009
The perspective-free imaging of telecentric lenses makes them suitable for measurement tasks and for inspection of three-dimensional objects, as the image scale remains c...
[ read more ] | [ deutsche Version lesen ]
This technical articel is also under the category: Optical Components
Fabrication of ultra thin liquid crystal cells for fast phase modulation in a volume holographic data storage system
12.03.2009 - Photonik international 1/2009
One approach in the development of new optical storage systems is volume holography. Here, the phase code multiplexing technique realised with liquid crystal cells can re...
[ read more ] | [ deutsche Version lesen ]
This technical articel is also under the category: Manufacturing of Optics
Tunable Fabry-Perot-filters based on InP/air-gap mirrors
12.03.2009 - Photonik international 1/2009
Tunable optical filters can cover spectral broad ranges in sensor technology and data communications either as a single element or as a group of elements arranged in an a...
[ read more ] | [ deutsche Version lesen ]
Glass ceramic – foundation for highest precision
12.03.2009 - Photonik international 1/2009
Glass ceramics with zero thermal expansion have firmly established themselves as the material of choice for mirror substrates in large telescopes. At the same time, they ...
[ read more ] | [ deutsche Version lesen ]
This technical articel is also under the category: Optical Metrology
Custom-designed lenses: how to reduce risk and improve results
12.03.2009 - Photonik international 1/2009
It is crucial that all sides in a joint development and procurement program understand and document the scope of work, expectations and responsibilities of all parties. W...
[ read more ] | [ deutsche Version lesen ]
This technical articel is also under the category: Optical Components
More Technical Articles
| [1] | | 2 | | 3 | | 4 | .... | 24 |
