NDLI: Integrated photonics beyond communication: Micro and nano technologies to explore the universe

Content Provider	IEEE Xplore Digital Library
Author	Fernando, H.N.J. Olaya, J.-C. Chavez Boggio, J.M. Rambold, W. Haynes, R. Roth, M.M.
Copyright Year	2011
Description	Author affiliation: innnoFSPEC-Astrophysicalysches Institut Potsdam, An der Sternwarte 16, 14482, Germany (Fernando, H.N.J.; Olaya, J.-C.; Chavez Boggio, J.M.; Rambold, W.; Haynes, R.; Roth, M.M.)
Abstract	Over the years Photonics technologies have mainly been developed to satisfy the ever increasing demand for high-bandwidth/bit-rates imposed by mass media in general, with low losses and costs. These communication technology applications have been developed around an optical communication window centred at 1550nm wavelength with a span of ∼ 40nm, taking advantage of the low losses of silica optical fibres in this region. It is a great challenge to tailor these existing photonics technologies for use in Astrophysics or Astronomy (Astrophotonics) where an ultra-wide wavelength range spanning from ∼ 400–2000nm, with low losses and costs, is required. We present the ongoing developments at innoFSPEC to use integrated photonics (IPs) beyond communication to solve the scaling problem of conventional astronomical instruments (growth of instrument size in proportion to telescope aperture D and the increase of cost as $D^{2}$ [1]). We will also exploit the miniature form of the multifunctional integrated planar light wave circuit to offer high stability, low sensitivity to vibrations and temperature fluctuations with low maintenance costs. One of the key devices that we envisage to design and fabricate with proper choice of material system is an Integrate Photonic Spectrograph (IPS) to disperse faint optical signals received from telescopes and project the output spectrum on to the detector with properly design optical element to achieve required spatial resolution. Moreover, UV-induced Bragg-grating inscription technology on planar IPs [2] could be used to fabricate integrated optical filters to suppress unwanted background [1] and further enhance the compactness, reduce cost, and increase the stability against environmental perturbations of these devices.
Starting Page	1
Ending Page	1
File Size	349168
Page Count	1
File Format	PDF
ISBN	9781457705335
e-ISBN	9781457705328
DOI	10.1109/CLEOE.2011.5943685
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-22
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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