We report on the realization of high-quality organic microcavities consisting of distributed Bragg reflectors (DBRs) based on lithium fluoride (LiF) and tellurium dioxide (TeOx) deposited by thermal evaporation. The materials are transparent in the range from 350 nm to 5micron and have an evaporation temperature of about 1000 K. The large difference in the refractive index (about 0.9 in the visible and near infrared range) allows one to obtain a reflectivity higher than 99% over a spectral region about 200 nm wide with a small number of periods. The mirror deposition technique is suitable for the fabrication of organic quantum microcavities in a single deposition process. Three fully evaporated organic λ cavities with Phyrrometene 580 as active material are described. The cavities show Q-value up to 300, good uniformity and reproducibility

Organic micro-cavities based on thermally evaporated TeOx-LiF Dielectric Mirrors

ANNI, Marco;GIGLI, Giuseppe;CINGOLANI, Roberto
2002

Abstract

We report on the realization of high-quality organic microcavities consisting of distributed Bragg reflectors (DBRs) based on lithium fluoride (LiF) and tellurium dioxide (TeOx) deposited by thermal evaporation. The materials are transparent in the range from 350 nm to 5micron and have an evaporation temperature of about 1000 K. The large difference in the refractive index (about 0.9 in the visible and near infrared range) allows one to obtain a reflectivity higher than 99% over a spectral region about 200 nm wide with a small number of periods. The mirror deposition technique is suitable for the fabrication of organic quantum microcavities in a single deposition process. Three fully evaporated organic λ cavities with Phyrrometene 580 as active material are described. The cavities show Q-value up to 300, good uniformity and reproducibility
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11587/109006
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact