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Anis Rahman

22.05.2024 · 20:14:03 ···
01.01.1970 · 01:00:00 ···
12.07.2023 · 18:11:07 ··· 5 ··· ··· 19 ···
22.05.2024 · 20:14:03 ···
01.01.1970 · 01:00:00 ···
12.07.2023 · 18:11:07 ··· 5 ··· ··· 19 ···

1:: AABEA Technical Seminar Series - Costs and Benefits Analysis of the Dhaka Metro Rail

01.01.1970 · 01:00:00 ··· 28.10.2023 · 20:58:28 ··· ···
··· ··· ··· ··· ABSTRACT Dhaka, one of the most congested cities in the world, has now launched its first metro rail. The inauguration of Dhaka Mass Rapid Transit (MRT) Line-6 was held on December 28, 2022, and the construction of MRT Line-1 started in February 2023. A total of five MRT Lines have been proposed by the government, which includes 130 Km length with 104 Stations. All the lines are planned to open by the year 2030. The implementation of a metro rail system involves substantial costs, encompassing land acquisition, construction, maintenance, and operational expenses. Funding such projects can strain public budgets. However, the benefits are manifold, including alleviating traffic congestion, reducing environmental impact through decreasing reliance on individual vehicles, and fostering economic development by enhancing accessibility, making urban rail a more sustainable mode of transportation. This presentation explores the costs and benefits of Dhaka Metro Rail system and compares it with other existing systems around the world, especially in south and east Asia. This presentation will focus on the intricate balance between costs and benefits in the context of establishing a metro rail system, emphasizing the long-term positive impact on urban mobility, environment, and overall urban development. Speaker Bio Dr. Nazrul Islam has been a transportation specialist at the United States Department of Transportation for the last 17 years. Before that, he worked for a consulting firm in Boston, MA for over 13 years. Dr. Islam specializes in transportation planning, congestion management and air quality analysis. He has developed transportation simulation models for more than ten states in the USA. Nazrul was born and grew up in a small town in Bangladesh. He completed his BS in Civil Engineering from RUET and graduated at the top of his class. After working for several years in Bangladesh, Dr. Islam moved to Saudi Arabia and played a crucial role in the Makkah-Madinah and Riyadh-Jeddah projects, two of the most important projects in the region. Dr. Islam earned his PhD at Utah State University in 1994. He is a registered professional engineer.

2:: Planning and scheduling the James Webb Space Telescope: First-Year Experiences and Challenges

01.01.1970 · 01:00:00 ··· 16.07.2023 · 18:38:11 ··· ···
··· ··· ··· ··· AABEA Technical Seminar Series Date: July 16, 2023 Time: 12 PM Eastern Speaker: Dr. Nazma Ferdous, Principal Software Engineer Astronomical Planning and Support Space Telescope Science Institute (STScI) ABSTRACT The James Webb Space Telescope (JWST) was launched on December 25th, 2021, and was placed into orbit around the second Sun-Earth Lagrange point on January 21st, 2022. After 6 months of commissioning JWST began its science operations on July 11th, 2022. The STScI developed the Spike planning and scheduling software in support of the Hubble Space Telescope as a general toolkit for planning and scheduling with the National Aeronautics and Space Administration (NASA). Although the SPIKE planning and scheduling software system was initially developed for the Hubble Space Telescope (HST), it was extended and specialized for JWST long range planning. This talk will present an overview of the observation planning and scheduling process flow for JWST showing how the core scheduling engine has been extended from the process used for HST. The new challenges faced and mitigated by the development team over the first 9 months of operations include: (1) Inadequacies and inflexibilities of quickly updating mission defined parameters that forces recalculation of observation constraints, had to be addressed. (2) Early in the mission the JWST mirror was unexpectedly hit by micro-meteoroids. JWST scheduling engine SPIKE needed to quickly introduce new constraints so that the primary mirror faces away from the trail of micro-meteoroids to minimize the future chance of meteoroid strikes. (3) A high percentage of JWST observations are linked to other observations via temporal (timing) constraints (e.g., Observation 2 after Observation 1 by 10-20 days). Unlike HST, the JWST observations sometimes are either executed outside of originally calculated windows or are skipped entirely which rendered the existing temporal constraint propagator that have been in place for over 30 years of HST operations, ineffective. The temporal constraint propagator had be extended to handle such anomalies. (4) A grating wheel for the JWST Mid Infrared instrument (MIRI) was found to have excess friction when switching directions during scheduling these observations. The team is currently developing software to mitigate the problems with the wheel by having the planning system define campaigns which control the frequency of direction changes and ensure that the wheel operates within safe limits.

3:: AABEA Technical Seminar Series - The CHIPS Act: What’s Next?

01.01.1970 · 01:00:00 ··· 25.06.2023 · 20:54:40 ··· ···
··· ··· ··· ··· Abstract Congress passed the CHIPS Act in 2022 to jump start computer chip manufacturing in the US – and to revolutionize the American innovative ecosystem. Media attention has focused on the first goal of the bill, but actually, it is the second goal that could prove to be more important to technology engineers in the long-term. Join AABEA’s technical webinar session to learn and interact – for a look at the CHIPS Act, what it does beyond manufacturing, and the next steps IEEE and technology professionals need to take to make sure the law succeeds. Speaker Bio Russell Harrison is the Managing Director of the IEEE-USA, and Director of Government Relations which focuses on the unique needs of IEEE members in the United States. Over his 20-year career with IEEE-USA, Russ has represented IEEE members to the American government on dozens of policy issues including autonomous vehicles, digital privacy, AI, federal research funding, export control, and immigration. He has spoken at over 300 local, national, and international events about public policy and the need for technology professionals to interact with their elected leaders. Prior to IEEE-USA, Russ represented recycling facilities and the steel industry on Capitol Hill. He has a Master’s in Public Management from the University of Maryland and a B.A. in Political Science from Allegheny College. For more information, please contact Anis Rahman, PhD AABEA Seminar Chair Web: www.anisrahman.org Email: anis@anisrahman.org

4:: The LENR - Past, Present, and Future, by Dr. Francis Tanzella

01.01.1970 · 01:00:00 ··· 30.04.2023 · 04:21:45 ··· ···
··· ··· ··· ··· Abstract This presentation will summarize the 34+ year history, and 24 international conferences, of low energy nuclear reactions (LENR, “Cold Fusion” as Martin Fleischmann put it). This will start with the Fleischmann & Pons press conference competing with the Jones & Rafelski APS presentation and continue with the early success and failures seen around the world. That will be followed by some of the most important discoveries seen and presented at the conferences during the intervening decades. Some of the important recent work, including fundamental studies in the EU, practical mechanism studies by Edmund Storms, the very large Google-funded Charleston project, commercial entities sprouting up in North America, Japan, and Thailand, and some of the potentially groundbreaking work presented in the past year will be presented. Finally, the very recent awards by the U.S. Department of Energy’s to study LENR's nuclear products and byproducts will be discussed.

5:: The Future of WORK - A Framework Essential for Bangladesh

01.01.1970 · 01:00:00 ··· 04.12.2022 · 19:18:20 ··· ···
··· ··· ··· ··· Bangladesh Skill: Context --18 Million Primary School Students: 98% enrollment, 50.9% are girls. ICT education starts at primary school level. --About 84.9% youth (out of 30M) in Bangladesh are lacking in necessary digital skills and 57.8 per cent are without secondary-level skills needed for employment. --Government deployment of digital services through a2i saved $16 Billion. Bangladesh now is ranks in “Very High Tech Maturity” group based on World Bank’s GTMI 2022. --One area we need and can provide accelerated growth is through developing the skill to our best asset: human population within Bangladesh. --NRBs need to bring their intellects and distribute the concepts and skills to the eager population of Bangladesh. Source https://www.newagebd.net/print/article/175839 https://www.usaid.gov/bangladesh/education https://a2i.gov.bd/press-release/bangladesh-becomes-the-govtech-leaders/

6:: A New Technique of CW Cameraless T-ray Imaging for Semiconductor Wafer Scale Die Sorting

01.01.1970 · 01:00:00 ··· 09.11.2022 · 23:40:13 ··· ···
··· ··· ··· ··· Introduction Semiconductor Nanometrology: Why terahertz? Cameraless T-ray Imaging via the Beer-Lambert-Reflection (BLR) Matrix Volume Image, Layer-by-layer imaging Wafer-scale die sorting – proposed criterion Yield improvement Conclusions

7:: A Portfolio of Technology Solutions to Achieve Global Decarbonization Keynote: Dr. Saifur Rahman

01.01.1970 · 01:00:00 ··· 09.09.2022 · 21:48:39 ··· ···
··· ··· ··· ··· Introduction A Portfolio of Technology Solutions to Achieve Global Decarbonization There is an unprecedented level of awareness of climate change The role of decarbonization in enabling environmental sustainability. Today’s topic is on important Priorities for Decarbonization in Industrialized and Emerging Economies. Main priorities are: Energy Efficiency Applications Carbon Capture Systems Renewable Energy Integration Hydrogen and Storage Solutions Cross-Border Energy Transfer Advanced Nuclear Technologies Professor Saifur Rahman shed light on each of these important factors. Moderator: Anis Rahman, PhD

8:: THE PADMA BRIDGE - A MODERN CIVIL ENGINEERING MARVEL

01.01.1970 · 01:00:00 ··· 23.07.2022 · 01:41:47 ··· ···
··· ··· ··· ··· By Sufian Khondker, PhD, PE, D. WRE, F. ASCE Senior Vice President and National Technology Director, ARCADIS THE PADMA RIVER Third Largest River in the World after the Amazon and Nile River The largest river in terms of sediment transport A braided river

9:: T-ray video of swelled Poly(IL) water interaction revealed by T-ray volume imaging and depth probing

01.01.1970 · 01:00:00 ··· 31.12.2021 · 02:37:07 ··· ···
··· ··· ··· ··· Ref: Macromolecules 2020, 53, 2822−2833, "3D Volumetric Structural Hierarchy Induced by Colloidal Polymerization of a Quantum-Dot Ionic Liquid Monomer Conjugate," Paul M. Welch,* Timothy A. Dreier, Harsha D. Magurudeniya, Matthew G. Frith, Jan Ilavsky, Sönke Seifert, Aunik K. Rahman, Anis Rahman,* Amita Joshi Singh, Bryan S. Ringstrand, Christina J. Hanson, Jennifer A. Hollingsworth, and Millicent A. Firestone* Contact: info@arphotonics.net

10:: AABEA Technical Seminar Series ICT+HTP Panel part1

01.01.1970 · 01:00:00 ··· 30.06.2021 · 22:51:05 ··· ···
··· ··· ··· ··· Economic growth via technology development in Bangladesh for the global market

11:: Lattice scale inspection of semiconductor interfaces via non destructive camera-less T-ray imaging

01.01.1970 · 01:00:00 ··· 08.05.2021 · 09:47:04 ··· ···
··· ··· ··· ··· Presentation at the Advanced Semiconductor Manufacturers Conference (ASMC) 2021 by Anis Rahman

12:: Nanoparticle Interactions: Importance an Investigation by T-ray Camera-Less Lattice-Scale Imaging

01.01.1970 · 01:00:00 ··· 29.03.2021 · 18:29:19 ··· ···
··· ··· ··· ··· Webinar on Nanotechnology and Nanomedicine March 24-25, 2021

13:: Layer-by-layer inspection of ionic polymer-quantum dots interactions by camera-less terahertz image

01.01.1970 · 01:00:00 ··· 29.01.2021 · 20:23:13 ··· ···
··· ··· ··· ··· Anis Rahman, PhD Applied Research & Photonics, Inc. 470 Friendship Road, Suite 10, Harrisburg, PA 17111, USA Email: a.rahman@arphotonics.net Web: http://arphotonics.net http://terahertz.arphotonics.net http://terahertz.us Tel: +1-717-623-8201 Abstract Probing deeper via non-destructive means is important for proper characterization of semiconductors and nanomaterials. It is also important for post processed inspection, interface properties, and failure analysis. However, the current state of the art can only see one surface at a time. While X-ray can penetrate into many materials, it causes degradations because of its strong ionization nature. Terahertz radiation (T-ray) is non-ionizing and non-perturbing, as such adds a new frontier for very high sensitivity spectroscopy and camera-less, lattice resolution imaging, overcoming the Abbe’s diffraction limit. The Dendrimer Dipole Excitation (DDE) based terahertz camera-less imaging offers the advent of very high sensitivity analysis of semiconductors and nanomaterials including the zero-dimensional to three-dimensional materials. Since the T-ray penetrates almost all materials, this route also offers the advent of probing the inner structures of materials including the volume imaging and layer-by-layer analysis. This paper focuses on the applications of this new and emerging technology for analyzing practical systems for the layer-by-layer inspection and three-dimensional interactions among and between the materials on nano to sub-Angstrom scale.

14:: Layer by layer inspection of isosurface within 200 nm x 200 nm x 200 nm volume of semiconductor chip

01.01.1970 · 01:00:00 ··· 16.01.2021 · 21:59:30 ··· ···
··· ··· ··· ··· An isosurface is a surface of constant value of a physical property, such as the dielectric constant, in a three-dimensional volume. The isosurface separates regions less than a given “isovalue” from regions greater than the same isovalue. All points on the isosurface have the same value (the isovalue). This is a convenient way to visualize the distribution/ arrangement of a given material within a volume, defined by its isovalue, computed from the measured terahertz reflectance. A layer-by-layer visualization of the isosurface of a 200 nm x 200 nm x 200nm volume of a chip is shown in this example. For more information, please contact info@arphotonics.net

15:: Cameraless Terahertz Nanometrology: an essential early detection of skin cancer - Dr. Anis Rahman

01.01.1970 · 01:00:00 ··· 08.01.2021 · 18:03:19 ··· ···
··· ··· ··· ··· Introduction Intensity based Reconstructive imaging Practical examples: Imaging of biological samples/soft tissue Early detection of skin cancer Cell agglomeration Thickness profile Spectral analysis Stratum Corneum imaging Permeation through SC Interaction with protein Tissue health monitoring Conclusions

16:: iNano2020 webinar -- Terahertz camera-less imaging and spectroscopy

01.01.1970 · 01:00:00 ··· 23.10.2020 · 15:11:57 ··· ···
··· ··· ··· ··· Keynote talk by Anis Rahman Abstract: Terahertz camera-less imaging and spectroscopy add a new frontier for very high sensitivity spectroscopy and lattice resolution imaging, overcoming the Abbe’s diffraction limit. The Dendrimer Dipole Excitation (DDE) based CW terahertz source enables the advent of critical characterization of the zero-dimensional to 3D materials and their interactions among themselves and with other materials forming interfaces. T-ray penetrates almost all materials; thus, offers the advent of probing the inner structures including the volume imaging and layer-by-layer analysis. Here, the applications of this emerging technology for solving critical problems in the semiconductor and nanotechnology world bridging the knowledge gap for 3D interactions among and between the materials on sub-Angstrom scale are presented. Interfaces play important roles in all semiconductor fabrication processes. However, effective characterization of interfaces is complicated because of inherent unknowns involved. For example, consider the case where two layers of materials have been deposited on a silicon substrate. Here, the silicon wafer is well characterized. The material properties of layer-1 and layer-2 may be known by themselves, but deposition involves evaporation of a material and then back into solid phase by the deposition process. Consequently, the deposited materials’ lattice will/may suffer from defects such as stacking fault and dislocations. Therefore, the final system involves unknowns such as the lattice structure of layer-1 and layer-2, the interface between layer-1/layer-2, and the interface between layer-1/silicon. Only known entity under this condition is the silicon lattice, however, the deposition process still may influence the top surface of the substrate and thus the silicon lattice may suffer from defect creation and/or some rearrangement of the atoms. Quantification of such interfaces at the lattice scale is a huge challenge by the current state of the art; especially, a non-destructive inspection of the deposited layers and interfaces that requires interrogation across the depth. This paper describes a non-contact, non-destructive technique via high resolution, camera-less, terahertz imaging for critical investigation of semiconductor interfaces along with practical examples.

17:: Terahertz Imaging via Nanoscanner

01.01.1970 · 01:00:00 ··· 20.10.2020 · 17:16:17 ··· ···
··· ··· ··· ··· Scanning of a 200 mm wafer by TNS3DI optical circuit

18:: ARP breaking the wavelength barrier for sub-nanometer resolution 3D imaging

01.01.1970 · 01:00:00 ··· 19.06.2017 · 21:13:56 ··· ···
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19:: Diane Grob Schmidt Intro to nanotechnology Session in Philly 2016

01.01.1970 · 01:00:00 ··· 10.05.2017 · 18:44:25 ··· ···
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