Manufacturing - Photonik

Ultra-precision grinding: When glass behaves like ice-cream
Bild: SwissOptic

Manufacturing

Ultra-precision grinding: When glass behaves like ice-cream

When manufacturing aspheres, extensive polishing processes are often needed to achieve highest precision. A ultra-precision grinding process reduces the amount of time spent on polishing considerably. mehr

Ion Beam Sputtering (IBS)
Bild: LASEROPTIK

Manufacturing

Ion Beam Sputtering (IBS)

The IBS (Ion Beam Sputtering) coating method, despite moderate coating rates, is suited for serial production of high-quality laser optics. mehr

Nanotexturing: Controlling surface reflectivity
Bild: Edmund Optics

Manufacturing

Nanotexturing: Controlling surface reflectivity

Nanoscale surface treatment reduces reflectance comparable to thin-film coatings. Random antireflective nanostructuring (RAR) also offers ease of manufacturability. mehr

Building with light – fabrication and  assembly of micro structures
Bild: University Bochum

Manufacturing

Building with light – fabrication and  assembly of micro structures

Two-photon polymerization as a powerful micro fabrication technology for three-dimensional micro structures acting in combination with controlled manipulation of structures with Holographic Optical Tweezers leads to a new all-optical micro fabrication tool. Besides handling and assembling of the generated structures, the development of durable linkage between the individual micro structures are essential. mehr

Laser mirrors – the ideal choice for high-performance applications
Bild: Edmund Optics

Manufacturing

Laser mirrors – the ideal choice for high-performance applications

When the ideal mirror is chosen based on the application specification, the use of suitable standard components can accelerate production processes mehr

Replicated micro structures based on two-photon lithography
Bild: Fraunhofer IPT

Manufacturing

Replicated micro structures based on two-photon lithography

Requirements towards innovative optical elements can be directly transferred to the corresponding manufacturing processes. High aspect ratios, asymmetric geometries and arrays consisting of randomly arranged basic elements represent a challenge, which cannot be overcome with established fabrication methods. In this context, two-photon lithography offers a promising alternative. mehr

Broadband antireflection of optical surfaces using double nanostructures
Bild: IOF

Manufacturing

Broadband antireflection of optical surfaces using double nanostructures

The market for optical components and systems such as lenses and objectives has grown significantly over the past few years, thinking for example of camera phones, distance sensors, high-resolution cameras or imaging devices like endoscopes in medical technology. The antireflection treatment of surfaces is therefore a key issue in optical manufacturing.... von Fraunhofer Institute for Applied Optics and Precision Engineering mehr

Deterministic polishing propels precision optics fabrication into the 21st century
Bild: Edmund Optics

Manufacturing

Deterministic polishing propels precision optics fabrication into the 21st century

While in the past a knowledgeable and skilled expert was essential for high precision optical manufacturing, today modern polishing machines and software offer distinct advantages, resulting in repeatable quality in shorter time. This becomes particularly noticeable when transferring whole manufacturing lines. von Edmund Optics mehr

Manufacturing

Innovative design and manufacturing of gradient and quasigradient coatings

Complex optical coatings are essential for a variety of optical systems. The more complex the optical system specifications, the more complex the coating design requirements become. Now, the possibility to produce mixed coating materials opens further degrees of freedom in coating designs and allows the use of gradient and quasigradient coatings.... von Diana Tonova, Stephan Spinzig, Thomas Koch, Carl Zeiss Jena GmbH, Oberkochen, Germany mehr

Manufacturing

Improving laser optics coatings

More process control and flexibility are key for coatings used with ultra-fast laser optics. In the following, we discuss the most relevant considerations in the manufacturing of high-performance coatings, with a special focus on sputtering technologies. von Iain MacMillan, Penn Optical Coatings, Pennsburg, Pennsylvania, USAMatthias Knobl, Edmund Optics GmbH, Karlsruhe, Germany mehr

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