A new and high precision achromatic ellipsometer: a two-channel and polarization rotator method

Monin, J.; Sahsah, H.; Brevet-Philibert, O

doi:10.1016/0040-6090(93)90296-2

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…Thus, the Faraday eect induces a rotation of the state of polarization θ F . The determination of this angle is made with a null ellipsometer based on a sinusoidal Faraday modulator associated with a lock-in amplier [23,24]. The high angle resolution (0.001…”

Section: Synthesis and Fabricationmentioning

confidence: 99%

Low birefringent magneto-optical waveguides fabricated via organic-inorganic sol-gel process

Choueikani

Douadi²,

Skora

et al. 2009

Eur. Phys. J. Appl. Phys.

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Abstract. This paper is devoted to the study and the characterization of novel magneto-optical waveguides prepared via organic-inorganic sol-gel process. Thin silica/zirconia lms doped with magnetic nanoparticles were coated on glass substrate using dip-coating technique. After annealing, samples were UV-treated. Two dierent techniques were used to measure their properties: m-lines spectroscopy and free space ellipsometry. Results evidence low refractive index waveguides that combine a low modal birefringence (2 × 10 −4 ) with a Faraday rotation around 15• /cm (φ = 0.1%). The low birefringence is obtained with a soft UV treatement and a graded intrinsic anisotropy is evidenced for lms thicker than 5 µm. Therefore, we prove that the organic-inorganic sol-gel approach is very promising to realize magneto-optical waveguides with a nonreciprocal functionality such as TE-TM mode conversion.

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Section: Synthesis and Fabricationmentioning

confidence: 99%

Low birefringent magneto-optical waveguides fabricated via organic-inorganic sol-gel process

Choueikani

Douadi²,

Skora

et al. 2009

Eur. Phys. J. Appl. Phys.

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Magneto-optical nanoparticle-doped silica-titania planar waveguides

Royer

Jamon

Rousseau

et al. 2004

Applied Physics Letters

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This letter describes how composite material, made of maghemite (γ-Fe2O3) nanoparticles embedded in a silica∕titania matrix, can be used to develop new magneto-optical planar waveguides. Thin film samples are coated on Pyrex™ substrates from a magnetic particles doped sol-gel preparation. M-lines spectroscopy measurements performed on these samples show that an out of plane magnetic field applied during the gelation induces a decrease of the planar waveguide phase mismatch. Free space measurements evidence the Faraday rotation of the films up to 25°∕cm at 633 nm. Improvements and leads of further works are proposed in term of magneto-optical waveguide applications.

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Microtopographic birefringence measurements of transparent thin plates using a Faraday modulator - application to stress measurements

Djendli

Sahsah

Monin

1999

J. Opt. A: Pure Appl. Opt.

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A new and high precision achromatic ellipsometer: a two-channel and polarization rotator method

Cited by 3 publications

References 4 publications

Low birefringent magneto-optical waveguides fabricated via organic-inorganic sol-gel process

Low birefringent magneto-optical waveguides fabricated via organic-inorganic sol-gel process

Magneto-optical nanoparticle-doped silica-titania planar waveguides

Microtopographic birefringence measurements of transparent thin plates using a Faraday modulator - application to stress measurements

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