Photo-chemical study and optical properties of microtips self- written on vertical laser diodes using NIR photo-polymerization
Near infra-red (NIR) self-guided photo-polymerization is investigated in the context of micro-optics photo-fabrication on VCSELs (Vertical-Cavity Surface Emitting Lasers). We present the optimized process we have developed to allow for a collective fabrication on III-V devices wafers under real-time...
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| Veröffentlicht in: | Optics express 2012-09, Vol.20 (20), p.22922-22933 |
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| container_title | Optics express |
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| creator | Barat, D Bardinal, V Dika, I Soppera, O Debernardi, P Rumyantseva, A Reig, B Renault, M Camps, T Bruyant, A Doucet, J B Malval, J P Daran, E |
| description | Near infra-red (NIR) self-guided photo-polymerization is investigated in the context of micro-optics photo-fabrication on VCSELs (Vertical-Cavity Surface Emitting Lasers). We present the optimized process we have developed to allow for a collective fabrication on III-V devices wafers under real-time optical monitoring. The influence of photo-chemical parameters on final micro-elements dimensions is studied for two types of single mode 760 nm VCSELs. The difference of the resulting tip shape between the two lasers is due to the strong differences of their emissions, as they are nicely reproduced by the computed near-field profiles. The tip shapes are also compared to those produced by the light emitted by an optical fiber and differences with VCSEL tips are discussed. Also the VCSEL characteristics with fabricated tips are discussed and found in good agreement with optical modeling. |
| doi_str_mv | 10.1364/OE.20.022922 |
| format | Article |
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We present the optimized process we have developed to allow for a collective fabrication on III-V devices wafers under real-time optical monitoring. The influence of photo-chemical parameters on final micro-elements dimensions is studied for two types of single mode 760 nm VCSELs. The difference of the resulting tip shape between the two lasers is due to the strong differences of their emissions, as they are nicely reproduced by the computed near-field profiles. The tip shapes are also compared to those produced by the light emitted by an optical fiber and differences with VCSEL tips are discussed. 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| source | MEDLINE; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Engineering Sciences Infrared Rays Lasers, Semiconductor Molecular Imprinting - methods Optics Photonic Polymers - chemistry Polymers - radiation effects Refractometry Surface Properties |
| title | Photo-chemical study and optical properties of microtips self- written on vertical laser diodes using NIR photo-polymerization |
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