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Showing 1 to 12 of 142 entries
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Increasing single mode power of 1.3-μm VCSELs by output coupling optimization.

Optics express

Mereuta A, Caliman A, Sirbu A, Iakovlev V, Mickovic Z, Suruceanu G, Kapon E.
PMID: 25969185
Opt Express. 2015 May 04;23(9):10900-4. doi: 10.1364/OE.23.010900.

We report on the single mode emission power enhancement of 1.3-μm VCSELs by adjusting the reflectivity of the top GaAs-based DBR for output coupling optimization using selective removal of Bragg reflector layers. Devices with record single mode power of...

Video-assisted technique for resection of a large mediastinal hemangioma.

Multimedia manual of cardiothoracic surgery : MMCTS

Schreiner W, Sirbu H.
PMID: 24413025
Multimed Man Cardiothorac Surg. 2010 Jan 01;2010(316):mmcts.2009.004135. doi: 10.1510/mmcts.2009.004135.

We present a video-assisted technique (VATS) for resection of a large tumor located in the posterior mediastinum in a 16-year-old patient. A large vascular mass in the upper and middle posterior mediastinum, encasing the great vessels and extending to...

Impaired T-bet-pSTAT1α and perforin-mediated immune responses in the tumoral region of lung adenocarcinoma.

British journal of cancer

Andreev K, Trufa DI, Siegemund R, Rieker R, Hartmann A, Schmidt J, Sirbu H, Finotto S.
PMID: 27657338
Br J Cancer. 2016 Oct 25;115(9):e11. doi: 10.1038/bjc.2016.299. Epub 2016 Sep 22.

No abstract available.

Baxter's healthy return. Morgan Stanley's Glenn Reicin says the medical products company's prognosis is finally positive.

Fortune

Stires D.
PMID: 15357278
Fortune. 2004 Aug 09;150(3):166.

No abstract available.

3 W of 650 nm red emission by frequency doubling of wafer-fused semiconductor disk laser.

Optics express

Rantamäki A, Sirbu A, Mereuta A, Kapon E, Okhotnikov OG.
PMID: 20941063
Opt Express. 2010 Oct 11;18(21):21645-50. doi: 10.1364/OE.18.021645.

3 W at genuine red wavelength of 650 nm has been achieved from a semiconductor disk laser by frequency doubling. An InP based active medium was fused with a GaAs/AlGaAs distributed Bragg reflector resulting in an integrated monolithic gain...

Power-scalable 1.57 microm mode-locked semiconductor disk laser using wafer fusion.

Optics letters

Saarinen EJ, Puustinen J, Sirbu A, Mereuta A, Caliman A, Kapon E, Okhotnikov OG.
PMID: 19838252
Opt Lett. 2009 Oct 15;34(20):3139-41. doi: 10.1364/OL.34.003139.

We report the first (to our knowledge) wafer-fused high-power passively mode-locked semiconductor disk laser operating at 1.57 microm wavelength. An InP-based active medium was fused with GaAs/AlGaAs distributed Bragg reflector on a 2 inch wafer level, resulting in an...

[Socioeconomic inequalities in mortality in Europe].

Medecine sciences : M/S

Menvielle G, Stirbu I, Roskam AJ, Schaap MM, Leinsalu M, Kunst AE, Mackenbach JP.
PMID: 19239852
Med Sci (Paris). 2009 Feb;25(2):192-6. doi: 10.1051/medsci/2009252192.

In all European countries, the rates of death were higher in groups of lower socioeconomic status, but the magnitude of the inequalities between groups of higher and lower socioeconomic status was much larger in some countries than in others....

Intra-cavity patterning for mode control in 1.3 μm coupled VCSEL arrays.

Optics express

Mutter L, Dwir B, Caliman A, Iakovlev V, Mereuta A, Sirbu A, Kapon E.
PMID: 21445118
Opt Express. 2011 Mar 14;19(6):4827-32. doi: 10.1364/OE.19.004827.

We report coupled VCSEL arrays, emitting at 1.3 μm wavelength, in which both the optical gain/loss and refractive index distributions were defined on different vertical layers. The arrays were electrically pumped through a patterned tunnel junction, whereas the array...

An unprecedented oxidised julolidine-BODIPY conjugate and its application in real-time ratiometric fluorescence sensing of sulfite.

Organic & biomolecular chemistry

Sirbu D, Zeng L, Waddell PG, Benniston AC.
PMID: 31339165
Org Biomol Chem. 2019 Aug 07;17(31):7360-7368. doi: 10.1039/c9ob01316d.

Reaction of a julolidine-based BODIPY compound with silver(i) ions in the presence of white light produced the oxidised julolidine version (OXJUL) containing a quaternary nitrogen. The oxidation of one ring at the julolidine site is highly unusual and there...

Nerve spare robot assisted laparoscopic prostatectomy with amniotic membranes: medium term outcomes.

Journal of robotic surgery

Noël J, Mascarenhas A, Patel E, Reddy S, Sandri M, Bhat S, Moschovas M, Rogers T, Ahmed S, Stirt D, Patel V.
PMID: 35015249
J Robot Surg. 2022 Jan 11; doi: 10.1007/s11701-022-01370-4. Epub 2022 Jan 11.

INTRODUCTION: dHACM is a source of factors including cytokines that allow anti-inflammatory and proliferative elements to be utilized for wound and ulcer management. We present our experience of using dHACM in a cohort of patients undergoing nerve-sparing (NS) robot-assisted...

Monaldi cavernostomy for lung aspergillosis: A case report.

Experimental and therapeutic medicine

Petreanu C, Croitoru A, Gibu A, Zariosu A, Bacalbasa N, Balescu I, Diaconu C, Stiru O, Dimitriu M, Cretoiu D, Savu C.
PMID: 34335899
Exp Ther Med. 2021 Sep;22(3):957. doi: 10.3892/etm.2021.10389. Epub 2021 Jul 06.

Pulmonary aspergillosis in patients with respiratory failure can severely affect the pulmonary functional status and may aggravate it through pulmonary suppuration, by recruitment of new parenchyma and hemoptysis, which can sometimes be massive, with lethal risk by flooding the...

Materials breaking the rules: general discussion.

Faraday discussions

Addicoat M, Bennett TD, Brammer L, Craig G, Das C, Dichtel W, Doan H, Evans AM, Evans J, Goodwin A, Horike S, Jiang J, Kaskel S, Kato M, Kitagawa S, Kobayashi A, Krause S, Lavenn C, Lee JM, Phillips AE, Roseveare TM, Schmid R, Shivanna M, Sirbu D, Tashiro S, Ting VP, van der Veen MA, Wilson B, Zhao P.
PMID: 33475107
Faraday Discuss. 2021 Feb 04;225:255-270. doi: 10.1039/d0fd90033h.

No abstract available.

Showing 1 to 12 of 142 entries