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Transmission measurements in KTP and isomorphic compounds
KTH, Superseded Departments, Physics.ORCID iD: 0000-0001-7688-1367
2000 (English)In: Applied Optics, ISSN 0003-6935, E-ISSN 1539-4522, Vol. 39, no 27, 5058-5069 p.Article in journal (Refereed) Published
Abstract [en]

The optical biaxial nature of crystals in the potassium titanyl phosphate (KTP) family result in anisotropic transmission that depends on the polarization direction of the transmitted radiation with respect to the fundamental crystal axes. Knowledge of the polarization-dependent crystal transmission is important for all wavelength-conversion applications and in particular is the only limitation on possible combinations of wavelengths when one uses the quasi-phase-matching techniques recently developed for the KTP family materials. In this study, polarized transmission spectra of KTiOPO4 (KTP), RbTiOPO4, RbTiOAsO4 (RTA), and KTiOAsO4 were measured over the 0.3-6-mu m wavelength range with a spectrophotometer and a Fourier-transform infrared spectrometer. Seven crystal samples were studied, including four samples of KTP crystals of different origins. Variations in spectral transmission on the short- and long-wavelength edges, as well as visible-wavelength transmission and OH- absorption properties, are presented and discussed. The transmission of one sample of RTP and of RTA was also measured before and after periodic electric field poling.

Place, publisher, year, edition, pages
2000. Vol. 39, no 27, 5058-5069 p.
Keyword [en]
optical parametric oscillators, periodically poled rbtioaso4, ktiopo4 single-crystals, flux-grown ktiopo4, electric-field, ktioaso4 crystals, generation, linbo3
URN: urn:nbn:se:kth:diva-20030ISI: 000089252400027OAI: diva2:338723
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2015-03-30Bibliographically approved

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