Next Article in Journal
Concrete Damage in Field Conditions and Protective Sealer and Coating Systems
Next Article in Special Issue
Antireflection Coatings for Strongly Curved Glass Lenses by Atomic Layer Deposition
Previous Article in Journal
Barrier Heights of Au on Diamond with Different Terminations Determined by X-ray Photoelectron Spectroscopy
Previous Article in Special Issue
Fabrication of Luminescent Antireflective Coatings with CaMoO4:Eu3+/Ag Composite Structure
Article Menu
Issue 7 (July) cover image

Export Article

Open AccessArticle
Coatings 2017, 7(7), 89; https://doi.org/10.3390/coatings7070089

Ultra-Low Reflectivity Anti-Reflection Coating on a Plastic Cover Slip in Liquid for He-Ne Laser Light

1
Department of Physics, Fu Jen Catholic University, New Taipei City 24205, Taiwan
2
Graduate Institute of Applied Science and Engineering, Fu Jen Catholic University, New Taipei City 24205, Taiwan
3
Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
*
Author to whom correspondence should be addressed.
Received: 31 May 2017 / Revised: 20 June 2017 / Accepted: 26 June 2017 / Published: 29 June 2017
(This article belongs to the Special Issue Antireflective Coatings for Glass and Transparent Polymers)
Full-Text   |   PDF [7625 KB, uploaded 29 June 2017]   |  

Abstract

An ultra-low anti-reflection optical coating on both surfaces of a plastic cover slip was studied for use in confocal image measurements. The optical reflectance at a wavelength of 632.8 nm was less than 0.1% when the coated sample was placed in a liquid having a refractive index of 1.34, close to the aqueous solution of the biomaterial. The high- and low-index coating films, Substance-2 (PrTiO3) and silicon dioxide (SiO2), were measured by an ellipsometer to determine their optical refraction indices and extinction coefficients. Theoretically, when the two layer thicknesses are designed using the optical admittance diagram of the cover slip to approach the equivalent index of 1.34, a reflectance of 1.6 × 10−5% in the liquid could be obtained. Experimentally, the reflectance of the sample deposited on the two faces of the cover slip was 4.223 ± 0.145% as measured in the air; and 0.050 ± 0.002% as measured by a He-Ne laser in the liquid. View Full-Text
Keywords: ultra-low anti-reflection coating; ellipsometer; optical admittance method ultra-low anti-reflection coating; ellipsometer; optical admittance method
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Hsu, J.-C.; Cho, H.-Y.; Hsieh, T.-Y.; Wang, J.-L. Ultra-Low Reflectivity Anti-Reflection Coating on a Plastic Cover Slip in Liquid for He-Ne Laser Light. Coatings 2017, 7, 89.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Coatings EISSN 2079-6412 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top