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BARC


Mandate

• Atomic & Molecular Spectroscopy
• Analytical Spectroscopy
• Synchrotron based Spectroscopic research
• Optical design & Instrumentation for Spectroscopic and Reactor applications
• Photonics, Optical Interferometry and Coherence Tomography
• Thin film multilayers for Optical, X ray and Neutron beam applications
• Matrix Assisted Laser Desorption Ionization based Mass Spectrometry


Highlights




(9/2019) Established optical design facility for gratings and instrument development at BARC-VIZAG




6/2019

Stoichiometric metal oxide cluster ions, (MO)n : M=Zn, Cd, Hg have been generated from solid group IIB-VIA semiconductor oxide targets with a pulsed UV laser whose photon energy (=355 nm, E=3.49 eV) is greater than their respective band gap. The cluster ions formed during laser vaporization process have been identified and characterized by a home built time of flight mass spectrometer (ToFMS). Figure 1 show the excitation scheme employed and the observed mass spectra of (ZnO)m, (CdO)m, (HgO)m cluster ions.



(6/2019) Integration of digital holography in commercial pathological microscope




5/2019

An indigenous near-infrared laser absorption spectroscopy based Heavy water trace analysis system has been developed in the laboratory. Since trace amount of heavy water readily reacts with
\r\nwater in surroundings, heavy water leak monitoring is based on measurement of HDO concentration
\r\nin air and water samples. The HDO absorption line at 7191.039 cm-1 is used in the monitoring system.
\r\nThe setup is based on off-Axis integrated output spectroscopy, for achieving high sensitivity



(4/2019) Generation and characterization of binary semiconductor oxide cluster ions by Pulsed Laser Ablation Time of Flight Mass Spectrometry.





(1/2019) TiO2/SiO2 multilayer as omnidirectional HR mirror




(1/2019) Hydrophilic broad band anti-reflection coating using oblique angle deposition of SiO2 thin films





(11/2018) Measurement of photoabsorption cross-sections for molecules of interest in Astro-chemistry, Plasma Physics and Green solvents




(7/2018) Established holographic recording facility for fabrication of surface-relief diffraction gratings in photoresist at BARC-VIZAG




(6/2018) Identified seven neuropeptides for their extraordinary binding affinity for Cu+ and Ag+ ions for targeted drug delivery & Molecular Imaging application.







(1/2018) Co-deposition of HfO2-SiO2 composite thin films: Refractive index tuning and Laser damage testing




(1/2018) TiO2/SiO2 multilayer as omnidirectional HR mirror






(7/2017) Spectroscopy studies on molecules which are part of contributions towards international spectroscopy data bases Science-softCon UV/Vis+ Spectra and MPI-Mainz UV/VIS Spectral Atlas of Gaseous Molecules of Atmospheric Interest




(2/2017) Custom Design & establishment of Electron beam & Thermal Evaporation Systems






(11/2016) Fiber Bragg Grating Interrogator system for remote sensing of Temperature, stress etc





6/2016

Creation of Quantum Dot array templated by DNA-melamine hybrid molecules










(1/2014) Prototype of Ni-Ti based neutron super mirrors





Facilities

31-01-2000

Atomic and Molecular Physics Division provides quality control assurance service to the other
\r\ndivisions like QAD and UED of this centre


01-02-2000

Spectro-chemical analysis of trace impurities such as B, Cd, Mn, Co, Ni, Cr and Mg
\r\npresent in reactor grade Uranium fuel samples: A service to QAD and UED
\r\nAtomic


(18-07-2016) Facility for X-ray magnetic circular dichroism measurements


Facility for X-ray magnetic circular dichroism measurements



29-06-2010

Photochemistry of molecules in excited states consequent of VUV photon absorption
\r\nOptical properties of materials and testing of photon detectors
\r\nPhotoabsorption studies of atoms, molecules and radicals in gas phase, condensed phase
\r\n


27-11-2015

LIDT set up was designed and developed indigenously to measure laser induces damage threshold of multilayer devices and optical components. Damage onset is measured in terms of change in transmission/reflection and physical change in morphology of the area irradiated by the pump laser. Q-switched nano second Nd:YAG pulsed laser with all 5 harmonics is employed as pump laser in the set-up. He-Ne laser and fiber based spectrometers are used to probe damage onset. The current set-up is being upgraded to measure absorption in optical components/multilayers accurately and precisely.
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08-02-2000

EB Coating Facility for the fabrication of multilayer thin film optical Devices
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08-03-2016

To cater to the large community of thin film and multilayer devices in various laboratories in India, a grazing incidence XAS (GIXAS) measurement facility has been developed at the Energy Scanning EXAFS beamline (BL-09),RRCAT , INDORE


29-03-2018

Suitable for depositing multilayer soft X-ray mirrors


02-07-2018

Facility on EXAFS beamline for in-situ probing of heterogenous catalysis and photocatalysis
\r\n


28-02-2017

Facility for in-situ monitoring of charging-discharging of Li-ion batteries
\r\n


29-06-2018

Facility for in-situ EXAFS measurements in a flow-set up
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02-01-2015

Mass Range = 1-120,000 Da
\r\nResolution = 1 amu at 1000
\r\nSensitivity = Sub Femto mol
\r\nAnalyzes both positive and negative ions present in the ion source.
\r\nIdentified 7 neuro peptides for their extraordinary binding affinity for Ag+ and Cu+ which can be used as 64/67Cu carriers in Peptide Receptor Radionuclide Therapy.
\r\n


28-07-2015

Atomic Force Microscopy, UV-VIS-NIR Spectrophotometer



Technologies Developed

30-11-2020

Soft X-ray mirrors needs much higher thickness control since individual layers are sub-nm thick and roughness of the layers should be below 0.3 nm. To achieve this, ion beam sputtering (IBS) is the best technique since in IBS the energy of adatoms are high and so it gives compact films with bulk-like density and very low roughness


28-11-2019

An Indegenous near-infrared laser absorbtion spectroscopy based Heavy water trace analysis system has been developed in the laboratory .Since trace amount of heavy water readily reacts with
\r\nwater in surroundings, heavy water leak monitoring is based on measurement of HDO concentration
\r\nin air and water samples. The HDO absorption line at 7191.039 cm-1 is used in the monitoring system.
\r\nThe setup is based on off-Axis integrated output spectroscopy, for achieving high sensitivity


31-12-2018

A Matrix assisted laser desorption/ionization (MALDI) time of flight (ToF) mass spectrometer (MS) have been designed, developed, and performance tested for the analysis of inorganic, organic, and biological molecules of mass up to 120 kDa with sub picomole sensitivity. It can also analyze both the positive and negative ions formed during laser-matter interaction. In recent times, MALDI-TOFMS have also been employed for SARS-CoV2 (COVID-19) diagnosis in human saliva due to its high-sensitivity and high-specificity species identification through proteomic profiling.


29-03-2016

Indus synchrotron complex in India is using a large number of synchrotron mirrors for different purposes in different experiments viz., for rejection of higher harmonics from the Synchrotron beam, for reducing the heat load on the monochromators etc. X-ray mirrors are available commercially from very few international sources and thus are extremely cost intensive. Also since these mirrors are exposed to very bright Synchrotron radiation with high heat load, there are distinct possibilities of damage in the coating. A comprehensive in-house facility for development of these hard X-ray mirrors with indigenous technologies therefore, would provide long-term support to the Synchrotron Radiation based programme of the country


19-01-2015

IUE Is a common umbrella for utilization of experimental facilities that provides benefits of perfect synchronisation among various stages of an experiment and accurate processing of data with no human error factor
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19-Mar-2021