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Currently planned second-generation gravitational-wave laser interferometers such as Advanced LIGO exploit the extensively investigated signal-recycling (SR) technique. Candidate Advanced LIGO configurations are usually designed to have two…

General Relativity and Quantum Cosmology · Physics 2009-02-23 Henning Rehbein , Helge Mueller-Ebhardt , Kentaro Somiya , Stefan L. Danilishin , Roman Schnabel , Karsten Danzmann , Yanbei Chen

We propose a novel optical parametric amplification scheme which combines quasi-phase-matching with a composite pulse approach that involves crystal segments of specific lengths. The presented scheme highly increases the robustness of the…

The versatility of optics enables the design of a wide range of elegant beam instrumentation. Multiple properties of particle beams can be precisely measured by various optical techniques, which include: direct sampling of optical radiation…

Accelerator Physics · Physics 2020-07-23 Stephen Gibson

Organometallic complexes have potential applications as the optically active components of organic light emitting diodes (OLEDs) and organic photovoltaics (OPV). Development of more effective complexes may be aided by understanding their…

Chemical Physics · Physics 2011-02-14 A. C. Jacko , Ross H. McKenzie , B. J. Powell

The Advanced LIGO gravitational wave detectors are nearing their design sensitivity and should begin taking meaningful astrophysical data in the fall of 2015. These resonant optical interferometers will have unprecedented sensitivity to the…

The Multi Unit Spectroscopic Explorer (MUSE) is a second-generation VLT panoramic integral-field spectrograph currently in manufacturing, assembly and integration phase. MUSE has a field of 1x1 arcmin2 sampled at 0.2x0.2 arcsec2 and is…

We present SPIFFI, the integral field spectrometer for the VLT. This instrument allows simultaneous observation of infrared spectra in more than 1000 image points of a two dimensional field. With its set of four gratings and a pixel scale…

Astrophysics · Physics 2015-06-24 F. Eisenhauer , M. Tecza , S. Mengel , N. Thatte , C. Roehrle , K. Bickert , J. Schreiber

The first astrophysical results of the VLTI focal instrument AMBER have shown the importance of the differential and closure phase measures, which are supposed to be much less sensitive to atmospheric and instrumental biases than the…

Astrophysics · Physics 2009-11-13 Florentin Millour , Romain Petrov , Martin Vannier , Stefan Kraus

The Laser Guide Star Facility for the VLT will be commissioned during 2003. This, of course, can only be the first step towards enhancing the scientific output of the VLT through adaptive optics. So in this contribution we propose the…

The aim of the present paper is to present a versatile scheme for the computation of optical properties of solids, with particular emphasis on realistic many-body calculations for correlated materials. Geared at the use with localized basis…

Strongly Correlated Electrons · Physics 2009-08-26 Jan M. Tomczak , Silke Biermann

MATISSE (Multi AperTure mid-Infrared SpectroScopic Experiment) is the next generation spectro-interferometer at the European Southern Observatory VLTI operating in the spectral bands L, M and N, and combining four beams from the unit and…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 A. Matter , S. Lagarde , R. G. Petrov , P. Berio , S. Robbe-Dubois , B. Lopez , P. Antonelli , F. Allouche , P. Cruzalebes , F. Millour , G. Bazin , L. Bourgès

ERIS is an instrument that will both extend and enhance the fundamental diffraction limited imaging and spectroscopy capability for the VLT. It will replace two instruments that are now being maintained beyond their operational lifetimes,…

We report on the fabrication and characterization of composite multimode waveguide structures that consist of a stack of single-mode waveguides fabricated by ultrafast laser inscription. We explore 2 types of composite structures; those…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Nemanja Jovanovic , Izabela Spaleniak , Simon Gross , Michael Ireland , Jon S. Lawrence , Christopher Miese , Alexander Fuerbach , Michael J. Withford

Recently, the study of integrable Hamiltonian systems has led to nonlinear accelerator lattices with one or two transverse invariants and wide stable tune spreads. These lattices may drastically improve the performance of high-intensity…

Accelerator Physics · Physics 2015-11-06 G. Stancari , A. Burov , V. Lebedev , S. Nagaitsev , E. Prebys , A. Valishev

Quantum opto- and electromechanical systems interface mechanical motion with the electromagnetic modes of optical resonators and microwave circuits. The capabilities and promise of these hybrid devices have been showcased through a variety…

Quantum Physics · Physics 2025-08-20 Yiwen Chu , Simon Gröblacher

State estimation is a critical foundational module in robotics applications, where robustness and performance are paramount. Although in recent years, many works have been focusing on improving one of the most widely adopted state…

Robotics · Computer Science 2024-05-24 Luqi Wang , Yang Xu , Shaojie Shen

BIFROST will be a short-wavelength ($\lambda$ = 1.0 - 1.7$\mu$m) beam combiner for the VLT Interferometer, combining both high spatial ($\lambda$/2B = 0.8 mas) and spectral (up to R = 25,000) resolution. It will be part of the Asgard Suite…

Instrumentation and Methods for Astrophysics · Physics 2022-08-11 Daniel J. Mortimer , Sorabh Chhabra , Stefan Kraus , Narsireddy Anugu , Romain Laugier , Jean-Baptiste Le Bouquin , John D. Monnier

Recently a variety of $\pi$-conjugated polymers have been developed and essayed for a number of applications such as organic light-emitting diodes, organic field-effect transistors, organic photovoltaics, and sensors. Is central for these…

Mesoscale and Nanoscale Physics · Physics 2020-04-27 Miguel Lagos

GRAVITY is a second generation instrument for the VLT Interferometer, designed to enhance the near-infrared astrometric and spectro-imaging capabilities of VLTI. Combining beams from four telescopes, GRAVITY will provide an astrometric…