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Chiral photonic metamaterials – polarization control by nanostructuring

13.11.2012 - Photonik international /2012

Artificial photonic metamaterials consist mainly of exotically shaped metallic nanostructures. By tailored design of their geometrical parameters, they can enhance optica...
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This technical articel is also under the category: Optical Components

Coupling ray tracers with custom software

13.11.2012 - Photonik international /2012

Optical system design is based in most cases on ray tracing using commercially available software packages. Graphical user interfaces enable standard tasks in a simple an...
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This technical articel is also under the category: Software for Optics

Femtosecond laser micromachining for plastic lab-on-a-chip

13.11.2012 - Photonik international /2012

Rapid prototyping of lab-on-chip devices is accomplished using femtosecond laser micromachining techniques. Direct laser ablation allows fabrication of microfluidic chann...
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This technical articel is also under the category: Optical Components

Optical freeform surfaces: an overview

13.11.2012 - Photonik international /2012

Optical freeform surfaces have great potential for optical systems, particularly in the area of miniaturizing sub-assemblies. Unlike aspherical lens elements, however, op...
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This technical articel is also under the category: Optical Components

Replicating diffractive optical elements in synthetic quartz glass using the sol-gel-process

13.11.2012 - Photonik international /2012

When manufacturing macroscopic monolithic quartz glass products using an established sol-gel-process, the question arises about the minimum size surface structures that c...
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This technical articel is also under the category: Optical Components

Monolithic integration of hyperspectral imaging for industrial and medical applications

17.11.2011 - Photonik international /2011

Today’s hyperspectral image processing technology is primarily confined to laboratory use. This could change rapidly once practical solutions for fast, compact, user-frie...
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This technical articel is also under the category: Image Capturing and Processing

Fabrication of nanoparticles and nanomaterials using laser ablation in liquids

17.11.2011 - Photonik international /2011

The potential of functionalized nanoparticles and their outstanding properties is not fully exploited yet. There are a lack of methods to integrate these properties into ...
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This technical articel is also under the category: Laser Technology

Spherical aberration compensation plates

17.11.2011 - Photonik international /2011

Imaging optics strive to obtain perfect or near diffraction limited performance. The main detriment to imaging systems is spherical aberration, and it costs money and eff...
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This technical articel is also under the category: Optical Components

Electro optical hybrids for high reliability

17.11.2011 - Photonik international /2011

Integrating electrical with optical functionality has been ongoing for decades. A mass-market calling for electro optical standard building blocks is still missing and a ...
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This technical articel is also under the category: Electronics

Laser-sintering: the shortest path from design to finished product

17.11.2011 - Photonik international /2011

Laser-sintering represents a completely new concept for manufacturing components made of polymers and metals. Many of the limitations that trouble normal production metho...
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This technical articel is also under the category: Laser Technology

Manufacturing of ultra-robust solid state lasers using high temperature curing processes

23.11.2010 - Photonik international /2010

Industrial expectations on the performance of lasers for today’s high-tech diagnostic instruments continue to grow stronger and stronger. Typically compact, continuous wa...
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This technical articel is also under the category: Laser Sources

Optical coating technology and applications: past and present to future

23.11.2010 - Photonik international /2010

Deposition technology has evolved tremendously since the first single layer optical interference coating was presented more than 70 years ago. Today, methods involving ev...
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This technical articel is also under the category: Coatings

Ion-beam based polishing error correction in mass production of precision optics

23.11.2010 - Photonik international /2010

CNC grinding and polishing are well established procedures in manufacturing optics. Lately, plasma- and ion-beam based techniques are more frequently used as alternatives...
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This technical articel is also under the category: Optical Metrology

Design recommendations for precision glass moulding

23.11.2010 - Photonik international /2010

Precision glass moulding enables the cost-effective production of extremely precise and complex optical components from glass. In order to communicate both the capabiliti...
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Are miniaturised high-precision optics reaching the limits of classical machining?

23.11.2010 - Photonik international /2010

Today’s optical lenses are produced either through conventional surface machining, or through various replication procedures. Below we compare these manufacturing methods...
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This technical articel is also under the category: Optical Components

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...
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This technical articel is also under the category: Fibre optics and Optical Communication

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...
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This technical articel is also under the category: Optical Components

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...
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This technical articel is also under the category: Optical Components

Interferometric flatness measurement of non-reflective surfaces

14.11.2008 - Photonik international 2/2008

Lapped and polished parts often have a specified flatness within the µm range but no reflecting surface. Thus, for a flatness measurement, a different type of interferome...
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This technical articel is also under the category: Optical Metrology

A bright future – LED assembly technology

14.11.2008 - Photonik international 2/2008

The light yielded by LEDs is comparable in efficiency to that yielded by fluorescent tubes, but solid-state light sources such as LEDs have a lifespan that is significant...
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This technical articel is also under the category: Incoherent Light Sources

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