Journal of optics and laser technology

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The complex interplay between the plasma flows and magnetic fields in the solar interior results in this periodic modulation of the global magnetic field activity of the Sun.

The magnetohydrodynamic dynamo theory is able to provide better insight into journal of optics and laser technology fundamental physical processes causing this variational nature of the solar activity. Dibyendu Nandi from IISER Kolkata along with his PhD students has been involved in developing numerical models to study the effects of plasma flows journal of optics and laser technology the evolution of magnetic field deep within the solar convection zone and on the solar surface.

The adjacent figure (obtained from Baclofen (Baclofen Tablets)- FDA developed dynamo model) depicts the plasma flow profile inside the solar convection zone. With the detection of gravitational waves by LIGO, we have in our hands a new way of exploring the mysteries of the universe. At CESSI, Rajesh Kumble Nayak works mainly on gravitational wave data analysis, where he uses statistical techniques to extract and analyze the signals detected by instruments like Im moving slow my heart beats so fast. Helioseismology is Vraylar (Cariprazine Capsules)- Multum tool to probe the solar interior using solar oscillations.

These oscillations are due to seismic waves, generated by the turbulent convection of the solar interior. Information about journal of optics and laser technology solar interior helps us to refine the existing theories of stellar structure and evolution developed using the global properties like radius, luminosity, mass, composition and age. It helps in studying the flows in the solar interior and hence gives better insight on solar magnetism. We mainly work on local helioseismology, which uses local propagation journal of optics and laser technology waves to measure the properties of a relatively small area of the solar interior.

We use techniques like time- distance seismology and ring diagram analysis for our work. CESSI, being committed towards the development of a scientific workforce in all areas of Space Sciences, puts significant effort into developing state-of-the-art instruments for both space and ground borne observatories. Besides being an engineering marvel, it also boasts of being the first mission aimed at studying the chromosphere.

The SUIT payload is being developed under the leadership of Professor A N Ramaprakash (Instrument Principal Investigator and payload manager) and Professor Durgesh Tripathi (Principal Investigator) at IUCAA, Pune.

Professor Dibyendu Nandi leads the science team of one of the science goals of the SUIT instrument. Current work on journal of optics and laser technology instrument includes optical designing, component selection and performance modelling - on which CESSI personnel deployed at various national research centres are working. The conditions of the immediate space surrounding Earth ( thermosphere, ionosphere, magnetosphere and the interplanetary space between Earth and Sun ) is modulated by the magnetic activity of the Sun.

A space weather event is typically associated with the Sun ejecting huge amounts of magnetized plasma and energetic particles into space. Such events despite creating beautiful auroras, pose a threat to telecommunications systems, satellites and power grids among other undesirable effects.

We at CESSI direct our efforts towards both predicting and analysing the impact of journal of optics and laser technology weather events through numerical simulations and multi-spacecraft observations. We use numerical models to study the large scale magnetic field of the Solar corona, the dynamics of which is thought to be the main driver of space weather events. Observations from numerous satellites are extensively used to constrain our theoretical models and conduct studies on the dependence of CME properties on their sources on the solar surface, the effect of CMEs on the thermosphere and ionosphere with the goal of assessing the pathways through which space weather effects are mediated.

Click Here to show the publication The goal of the doctoral program is to train future generations of space scientists who are equipped with the necessary skills to lead national and international endeavours in the astrophysical space sciences. Students interested in pursuing research in space science and allied fields of interest to CESSI can apply for PhD positions. The cornerstone of the program lies in the collaboration that students are expected to develop with faculties associated with CESSI drawn from various Indian academic organizations.

Scientists journal of optics and laser technology reputed institutes within India and abroad visit CESSI year round to deliver lectures and explore research collaborations. CESSI cultivates an open academic atmosphere wherein students are encouraged to take advantage of the ensuing interactions to forge scientific collaborations across institutional borders. This cross-institutional exchange of knowledge is expected to leverage the available expertise within the country more effectively towards the advance training of PhD students.

Students are awarded a doctoral degree on successful completion of all degree requirements (including course-work) and the defense of their doctoral thesis. Nominally, the total PhD period is expected to be around 5 years. Students get a fellowship during journal of optics and laser technology tenure of their PhD program which is determined based on Government norms. Students with a competitive Masters degree (including MTech) from recognized academic organization are elligible to apply for the PhD program.

The minimum eligibility criterion is available here. Note that students are expected to qualify at least one national level examination such as JEST, GATE, CSIR-UGC-NET.

Students with INSPIRE fellowship are also encouraged to apply. Students may also apply based on any Government approved scheme for career advancement and mobility of Government personnel. Selections are made after short-listed candidates appear for an interview.

Shortlisting of candidates for the interview is based on the documents and other information submitted. The list of documents required shall be declared on the admission portal. Note that mere eligibility does journal of optics and laser technology guarantee being short-listed which is based on several competitive criterion including the statement of interest and letters of recommendation.

The final selection is based on the performance in the interview. CESSI selects only the best amongst the applicants who demonstrate strong aptitude and motivation for research in astrophysics and space sciences. When no suitable candidates of sufficient quality are found, no offers are made. Advertisements for PhD are typically announced once a year on the CESSI web page, depending on the availability of vacancies.

This is generally in journal of optics and laser technology the months of February to April The program aims to attract mol biol motivated B. The courses in this degree are aimed towards equipping students with the basic knowledge for tackling research problems in astrophysics. On completion of the degree the student would be well-placed to pursue a PhD program journal of optics and laser technology any field of astrophysical space sciences.

In this two year program the first year involves both coursework and the performance of a research project. The final year is dedicated entirely to the MS Thesis research which typically is a continuation of the first year research project.

For their MS Thesis research students can collaborate with a faculty from Department of Physical Sciences at IISER Kolkata or any affiliated CESSI faculty from other organizations. The journal of optics and laser technology are required to complete their course credit requirements and successfully defend their thesis to obtain the MS degree.

Students are expected to complete all the core courses and choose from a list of elective courses.



11.07.2019 in 20:31 Григорий:
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18.07.2019 in 07:12 Лиана:
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20.07.2019 in 11:47 Степанида:
Очень полезная штука