Development of an Opto-fluidic Microsystem Dedicated to Chemical Analysis in a Nuclear Environment

Geoffray, Fabien; Allenet, Timothée; Canto, Fabrice; Couston, Laurent; Bucci, Davide; Jardinier, E.; Broquin, Jean-Emmanuel

doi:10.1016/j.proche.2016.10.063

Cited by 3 publications

(1 citation statement)

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“…Indeed, it allows the realization of several type of sensors or devices. [1][2][3][4][5][6] Few of them remain at the research and development level but others have been directly used to realize industrial devices by different companies as LEONI Fiber Optics (LFO), 7 Teem Photonics, 8 the company IOT 9 or Corning. 10 By now, these devices are based on planar light waveguides (surface waveguides or buried waveguides) using a lateral spatial confinement with a refractive index contrast maximum from 0.01 to 0.1.…”

Section: Introductionmentioning

confidence: 99%

Glass integrated optic waveguides combining optical grade dicing and ion-exchanged planar waveguide

Morand

Kaur

Gri

et al. 2019

Integrated Optics: Devices, Materials, and Technologies XXIII

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Due to small refractive change, it is difficult to obtain high confined glass integrated waveguide. A proposed solution is to make firstly a planar waveguide by ion exchanged and then to use an optical grade dicing to realize two separated grooves. The cutting and the polishing of the glass are made at the same time. Monomode ridge waveguide with a smallest width of 4 µm and a height of tens micrometers are characterized, either in the near-infrared domain or in the visible domain. The propagation losses can be smaller than 1 dB/cm with fiber coupling losses around 2 dB depending on the fiber used to excite the waveguide.

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