Search Results - "LARRUQUERT, Juan I"
-
1
Analytic optical-constant model derived from Tauc-Lorentz and Urbach tail
Published in Optics express (12-12-2016)“…Tauc-Lorentz model is commonly used to describe the dielectric constant of amorphous semiconductors as a function of few parameters. However, this model is not…”
Get full text
Journal Article -
2
Mirrors for Space Telescopes: Degradation Issues
Published in Applied sciences (01-11-2020)“…Mirrors are a subset of optical components essential for the success of current and future space missions. Most of the telescopes for space programs ranging…”
Get full text
Journal Article -
3
Graphite to diamond transition induced by photoelectric absorption of ultraviolet photons
Published in Scientific reports (28-01-2021)“…The phase transition from graphite to diamond is an appealing object of study because of many fundamental and also, practical reasons. The out-of-plane…”
Get full text
Journal Article -
4
Far UV-enhanced Al mirrors with a Ti seed film
Published in Optics express (01-03-2021)“…A Ti seed film is investigated towards improving the far UV reflectance of Al/MgF mirrors. Samples were initially coated with a Ti film in half of the area and…”
Get full text
Journal Article -
5
Why is the Adachi procedure successful to avoid divergences in optical models?
Published in Optics express (14-09-2020)“…Adachi proposed a procedure to avoid divergences in optical-constant models by slightly shifting photon energies to complex numbers on the real part of the…”
Get full text
Journal Article -
6
Optical constants at complex energies: local deconvolution
Published in Optics express (13-04-2020)“…Causality implies that the optical constants of any material continue in the upper complex plane of photon energies or wavelengths as an analytic function…”
Get full text
Journal Article -
7
Far UV narrowband mirrors tuned at H Lyman α
Published in Optics express (08-05-2023)“…Imaging at H Ly-α (121.6 nm), among other spectral lines in the short far UV (FUV), is of high interest for astrophysics, solar, and atmosphere physics, since…”
Get full text
Journal Article -
8
Multilayer beamsplitter polarizers for key UV-FUV spectral lines of solar polarimetry
Published in Optics express (01-08-2022)“…Multilayer beamsplitter polarizers have been developed for improved solar polarimetry at key spectral lines. The advantage of beamsplitter polarizers is that a…”
Get full text
Journal Article -
9
Optimization of MgF2-deposition temperature for far UV Al mirrors
Published in Optics express (02-04-2018)“…Progress towards far UV (FUV) coatings with enhanced reflectance is invaluable for future space missions, such as LUVOIR. This research starts with the…”
Get full text
Journal Article -
10
Direct measurement of the extinction coefficient by differential transmittance
Published in Optics express (25-09-2023)“…A new procedure to measure the extinction coefficient k of film materials that are relatively transparent is presented. This procedure does not require the use…”
Get full text
Journal Article -
11
Window functions for self-consistency evaluation of optical constants
Published in Optics express (02-03-2020)“…Optical-constant data of a material typically come from various sources, which may result in inconsistent data. Sum rules are tests to evaluate the…”
Get full text
Journal Article -
12
Far-UV reflectance and stress of narrowband AlF3/LaF3 multilayers
Published in Optical materials express (01-02-2022)“…Upcoming space instrumentation, such as LUMOS (LUVOIR Ultraviolet Multi-Object Spectrograph) in LUVOIR (Large Ultraviolet Optical Infrared Surveyor) mission,…”
Get full text
Journal Article -
13
Lyman-β narrowband coatings with strong Lyman-α rejection
Published in Optics express (17-09-2018)“…Novel narrowband multilayer coatings efficient at a wavelength as short as 100 mn are presented, which pushes shortwards the existing limit of reported…”
Get full text
Journal Article -
14
Optimization of the deposition parameters of MgF2/LaF3 narrowband reflective FUV multilayers
Published in Optical materials express (01-06-2021)“…The development of efficient dielectric coatings in the far UV (FUV) is demanded for upcoming space instrumentation, such as LUMOS (LUVOIR Ultraviolet…”
Get full text
Journal Article -
15
Constructing multilayers with absorbing materials
Published in Chinese optics letters (2010)Get full text
Journal Article -
16
Optimization of MgF 2 -deposition temperature for far UV Al mirrors
Published in Optics express (02-04-2018)“…Progress towards far UV (FUV) coatings with enhanced reflectance is invaluable for future space missions, such as LUVOIR. This research starts with the…”
Get full text
Journal Article -
17
Triple-wavelength, narrowband Mg/SiC multilayers with corrosion barriers and high peak reflectance in the 25-80 nm wavelength region
Published in Optics express (08-10-2012)“…We have developed new, Mg/SiC multilayer coatings with corrosion barriers which can be used to efficiently and simultaneously reflect extreme ultraviolet (EUV)…”
Get full text
Journal Article -
18
Self-consistent optical constants of SiO_2 and Ta_2O_5 films
Published in Optical materials express (01-11-2016)Get full text
Journal Article -
19
Narrowband multilayer coatings for the extreme ultraviolet range of 50-92 nm
Published in Optics express (07-12-2009)“…A new type of multilayer coatings with narrowband reflection properties and peaked in the approximately 50- 92 nm spectral range has been developed…”
Get full text
Journal Article -
20
Far ultraviolet optical properties of MgF2 films deposited by ion-beam sputtering and their application as protective coatings for Al
Published in Optics communications (01-01-2003)Get full text
Journal Article