Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2012 Feb 10;12(2):1898–1918. doi: 10.3390/s120201898

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2012 by the authors; licensee MDPI, Basel, Switzerland

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

PMC Copyright notice

Figure 4. — Grating reflectivity expressed as its index modulation (Δn) for a thermally stable grating (red) as a function of time. (Inset) Grating spectrum as a function of temperature.