<http://webisa.webdatacommons.org/315357920>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/45356706>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/315357920> .
<http://webisa.webdatacommons.org/315357920>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/60235805>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/315357920> .
<http://webisa.webdatacommons.org/315357920>	<http://www.w3.org/ns/prov#value>	"Semiconductor materials such as silicon and gallium arsenide provide a large change in refractive index with temperature and may be used for the material etalons for effective thermo-optic tuning." .