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Browsing by Subject "Laser mirrors"

Now showing items 1-9 of 9

Approaches toward optimized laser-induced damage thresholds of dispersive compensating mirrors applying nanolaminates

Willemsen, T.; Brinkmann, M.; Jupé, M.; Gyamfi, M.; Schlichting, S.; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2017)

Ultra-short laser applications require high quality dielectric optics. The natural dispersion of light needs to be matched by dielectric components. However such dispersive components are very challenging for the deposition ...
Coherent photo-thermal noise cancellation in a dual-wavelength optical cavity for narrow-linewidth laser frequency stabilisation

Dawel, Fabian; Wilzewski, Alexander; Herbers, Sofia; Pelzer, Lennart; Kramer, Johannes; Hild, Marek B.; Dietze, Kai; Krinner, Ludwig; Spethmann, Nicolas C. H.; Schmidt, Piet O. (Washington, DC : Optica, 2024)

Optical resonators are used for the realisation of ultra-stable frequency lasers. The use of high reflectivity multi-band coatings allows the frequency locking of several lasers of different wavelengths to a single cavity. ...
Direct in situ GDD measurement in optical coating process

Schlichting, S.; Willemsen, Thomas; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)

In the presented work a fast frequency domain measurement system to determine group delay (GD) and group delay dispersion (GDD) of optical coatings is proposed. The measurements are performed in situ directly on moving ...
Endoscopic fringe projection for in-situ inspection of a sheet-bulk metal forming process

Matthias, Steffen; Kästner, Markus; Reithmeier, Eduard (Bellingham, Wash. : SPIE, 2015)

Sheet-bulk metal forming is a new production process capable of performing deep-drawing and massive forming steps in a single operation. However, due to the high forming forces of the forming process, continuous process ...
Enhancement of the damage resistance of ultra-fast optics by novel design approaches

Willemsen, Thomas; Jupé, Marco; Gyamfi, Mark; Schlichting, Sebastian; Ristau, Detlev (Washington, DC : Optical Society of America, 2017)

Dielectric components are essential for laser applications. Chirped mirrors are applied to compress the temporal pulse broadening crucial in the femtosecond regime. However, the design sensitivity and the electric field ...
High-speed two-photon polymerization 3D printing with a microchip laser at its fundamental wavelength

Perevoznik, Dmitrii; Nazir, Rashid; Kiyan, Roman; Kurselis, Kestutis; Koszarna, Beata; Gryko, Daniel T.; Chichkov, Boris N. (Washington, DC : Optica, 2019)

High-resolution, high-speed 3D printing by two-photon polymerization (2PP) with a Nd:YVO4 Q-switched microchip laser at its fundamental wavelength of 1064 nm is demonstrated. Polymerization scan speeds of up to 20 mm/s and ...
Improved LIDT values for dielectric dispersive compensating mirrors applying ternary composites

Willemsen, Thomas; Schlichting, S.; Gyamfi, M.; Jupé, Marco; Ehlers, H.; Morgner, Uwe; Ristau, Detlev (Bellingham, WA : S P I E - International Society for Optical Engineering, 2016)

The present contribution is addressed to an improved method to fabricate dielectric dispersive compensating mirrors (CMs) with an increased laser induced damage threshold (LIDT) by the use of ternary composite layers. ...
Levitating the noise performance of ultra-stable laser cavities assisted by a deep neural network: The non-intuitive role of the mirrors

Dickmann, J.; Shelling Neto, L.; Gaedtke, M.; Kroker, S. (Washington, DC : Optica, 2023)

The most precise measurand available to science is the frequency of ultra-stable lasers. With a relative deviation of 4 × 10−17 over a wide range of measuring times between one second and 100 seconds, the smallest effects ...
Lightweight metasurface mirror of silicon nanospheres [Invited]

Evlyukhin, A.B.; Matiushechkina, M.; Zenin, V.A.; Heurs, Michèle; Chichko, B.N. (Washington, DC : The Optical Society, 2020)

Many experiments in modern quantum optics require the implementation of lightweight and near-perfect reflectors for noise reduction and high sensitivity. Another important application of low mass and high reflectivity ...

Now showing items 1-9 of 9

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Browsing by Subject "Laser mirrors"

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