Zobrazeno 1 - 6
of 6
pro vyhledávání: '"F. D. Crawford"'
Publikováno v:
Optical Amplifiers and Their Applications.
Pump lasers for Er3+-doped silica fiber optical amplifiers must demonstrate excellent spatial mode stability to high output power levels in order to achieve useful gain.1,2 The pump band at 980 nm is the most efficient of the principle Er3+ absorptio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2bb398c7fa2fb8155148c5c1a664858
https://doi.org/10.1364/oaa.1991.wc4
https://doi.org/10.1364/oaa.1991.wc4
Publikováno v:
Journal of Petroleum Geology. 8:5-36
The Takutu basin is a Mesozoic graben 280 km long and 40 km wide in northern Brazil and adjoining Guyana. It occupies an ancient PreCambrian shear zone within the heart of the Archean Guyana shield. Metavolcanic rocks and thick Proterozoic quartzites
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::737e4b6c821f4fa59f0334779f19c98c
https://doi.org/10.1111/j.1747-5457.1985.tb00189.x
https://doi.org/10.1111/j.1747-5457.1985.tb00189.x
Publikováno v:
Journal of Petroleum Geology. 8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::daf73c51556f3941928048249b81df5c
https://doi.org/10.1306/bf9ab633-0eb6-11d7-8643000102c1865d
https://doi.org/10.1306/bf9ab633-0eb6-11d7-8643000102c1865d
Publikováno v:
AAPG Bulletin. 67
The Takutu basin is an intracratonic graben 280 km (174 mi) long and 40 km (25 mi) wide in northern Brazil and adjoining Guyana, lying entirely within the center of the early Precambrian Guyana shield. Acidic metavolcanic rocks and thick Proterozoic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::104253572ecf9cc15c56d46fe116f66a
https://doi.org/10.1306/03b5af11-16d1-11d7-8645000102c1865d
https://doi.org/10.1306/03b5af11-16d1-11d7-8645000102c1865d
