Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Arunbabu Ayiriveetil"'
Structural, mechanical and optical studies on ultrafast laser inscribed chalcogenide glass waveguide
Autor:
G. Sreevidya Varma, Arunbabu Ayiriveetil, Sundarrajan Asokan, Upadrasta Ramamurty, Tamilarasan Sabapathy, Abhishek Chaturvedi
Publikováno v:
Optical Materials. 66:386-391
Multi-scan waveguides have been inscribed in GeS2 glass sample with different pulse energies and translation speeds. Mechanical and structural changes on GeS2 binary glass in response to irradiation to 1047 nm femto-second laser pulses have been inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd4324cf90502512b19ba69785a605ff
https://doi.org/10.1016/j.optmat.2017.02.030
https://doi.org/10.1016/j.optmat.2017.02.030
Publikováno v:
2016 IEEE Conference on Recent Advances in Lightwave Technology (CRALT).
The present study proposes a novel real time dynamic pressure sensing device employing Fiber Bragg Grating (FBG) sensor. A hermetically sealed chamber with one surface comprising of a glass epoxy diaphragm is utilized for the differential pressure se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35966b50422e8365238a7655695e88d5
https://doi.org/10.1109/cralt.2016.8066050
https://doi.org/10.1109/cralt.2016.8066050
Publikováno v:
SPIE Proceedings.
The present study discusses the photosensitivity of GeS2 chalcogenide glass in response to irradiation with femtosecond pulses at 1047 nm. Bulk GeS2 glasses are prepared by conventional melt quenching technique and the amorphous nature of the glass i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01b235ef92b7bc198ba5bb6d428e783b
https://doi.org/10.1117/12.2189653
https://doi.org/10.1117/12.2189653
Autor:
Tamilarasan Sabapathy, Mangalampalli S. R. N. Kiran, Upadrasta Ramamurty, Sundarrajan Asokan, Ajoy K. Kar, Arunbabu Ayiriveetil
Publikováno v:
IndraStra Global.
Optical straight waveguides are inscribed in GeGaS and GeGaSSb glasses using a high repetition-rate sub-picosecond laser. The mechanical properties of the glasses in the inscribed regions, which have undergone photo induced changes, have been evaluat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84c8917e1b4931e565d33d7067c2f022
http://eprints.iisc.ac.in/46861/1/Opt_Mat_Expr_3-6_684_2013.pdf
http://eprints.iisc.ac.in/46861/1/Opt_Mat_Expr_3-6_684_2013.pdf
Autor:
Ajoy K. Kar, Tamilarasan Sabapathy, Arunbabu Ayiriveetil, Sivakumar Gayathri, Sundarrajan Asokan
Publikováno v:
IndraStra Global.
In this work, we synthesized bulk amorphous GeGaS glass by conventional melt quenching technique. Amorphous nature of the glass is confirmed using X-ray diffraction. We fabricated the channel waveguides on this glass using the ultrafast laser inscrip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae6bf90666c4c7db0ee47d0826ef646b
https://igi.indrastra.com/items/show/210381
https://igi.indrastra.com/items/show/210381
Autor:
Arunbabu Ayiriveetil, Sivakumar Gayathri, Tamilarasan Sabapathy, Ajoy K. Kar, Sundarrajan Asokan
Publikováno v:
IndraStra Global.
We report here, a finite difference thermal diffusion (FDTD) model for controlling the cross-section and the guiding nature of the buried channel waveguides fabricated on GeGaS bulk glasses using the direct laser writing technique. Optimization of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b569edafab006b99196a0f002a9b11f9
https://igi.indrastra.com/items/show/210383
https://igi.indrastra.com/items/show/210383
Autor:
Upadrasta Ramamurty, G. Sreevidya Varma, Tamilarasan Sabapathy, Sundarrajan Asokan, Arunbabu Ayiriveetil
Publikováno v:
Optical Materials Express. 6:2530
The structural and mechanical characteristics of ultrafast lasers inscribed Er2O3-doped GeGaS chalcogenide glass waveguides have been investigated with the aid of micro-Raman spectroscopy and nanoindentation. The mechanical property data indicates tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86596c1b26691385cec0ca1bc1f4d0d6
https://doi.org/10.1364/ome.6.002530
https://doi.org/10.1364/ome.6.002530
Autor:
Sundarrajan Asokan, Tamilarasan Sabapathy, Arunbabu Ayiriveetil, Ajoy K. Kar, Sivakumar Gayathri
Publikováno v:
Scopus-Elsevier
Waveguides were fabricated on GeGaSEr chalcogenide glass using ultrafast laser inscription method. The thermal diffusion model is discussed for understanding the light matter interaction and shown the effect of net-fluence in waveguide formation on c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91d7bc07ed505af9f81e3e82bc2368fe
http://eprints.iisc.ernet.in/47911/
http://eprints.iisc.ernet.in/47911/
Publikováno v:
IndraStra Global.
An interesting topic for quite some time is an intermediate phase observed in chalcogenide glasses, which is related to network connectivity and rigidity. This phenomenon is exhibited by Si-Te-In glasses also. It has been addressed here by carrying o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f8e6e8e3836dfb88696adad5a6785fc
https://igi.indrastra.com/items/show/209723
https://igi.indrastra.com/items/show/209723
Autor:
Sundarrajan Asokan, Stephen J. Beecher, Tamilarasan Sabapathy, Arunbabu Ayiriveetil, Ajoy K. Kar
Publikováno v:
Optical Materials Express. 2:1556
This paper reports the fabrication and characterization of an ultrafast laser written Er-doped chalcogenide glass buried waveguide amplifier; Er-doped GeGaS glass has been synthesized by the vacuum sealed melt quenching technique. Waveguides have bee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b5d02a31a2fbe072185f9f09401b2a2
https://doi.org/10.1364/ome.2.001556
https://doi.org/10.1364/ome.2.001556