LIDAR-based carbon detection employing Indium Phosphide (InP)-based distributed feedback (DFB) diode lasers

#Antenna #Wireless #LIDAR #Co2 #CH4 #RADAR #Sensors #Global #Warming #Climatic #Changes
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LIDAR-based carbon sensing is an advanced remote sensing technique that allows for accurate and real-time measurement of atmospheric carbon compounds, primarily carbon dioxide (CO₂) and methane (CH₄). These gases significantly contribute to global warming. This technology uses the Differential Absorption LIDAR (DIAL) method, which emits highly focused laser pulses at specific wavelengths that are selectively absorbed by these target gases. This innovative approach enables detailed concentration profiling at various altitudes and across different geographic locations, providing valuable data for understanding greenhouse gas dynamics.

Integrating LIDAR systems into ground stations, airborne platforms, or satellite systems produces high-resolution data crucial for tracking emission sources, validating climate models, and monitoring vital natural carbon sinks like large forests and wetlands. As the urgency to combat climate change grows, LIDAR-based sensing is becoming an essential tool for deciphering the complexities of greenhouse gas behavior and guiding effective global environmental policies.

Carbon dioxide has strong absorption lines near 1.57 µm (1570 nm) within the near-infrared (NIR) spectrum. Indium Phosphide (InP)-based distributed feedback (DFB) diode lasers and tunable diode lasers are ideal for generating light at these important wavelengths. The ability of InP diode lasers to be finely tuned allows for precise targeting of CO₂'s specific absorption lines, which facilitates highly accurate identification of the necessary “on-line” and “off-line” wavelengths in DIAL systems. Additionally, the 1.5–1.6 µm range falls within a telecom window, allowing for the use of established optical fiber components and detectors, significantly reducing both system costs and complexity.

Due to their compact, efficient, and reliable design, InP diode lasers are well-suited for various applications, including:

- Airborne LIDAR systems that can survey vast landscapes

- Ground-based monitoring stations for continuous CO₂ tracking

- Potential satellite missions aimed at monitoring global carbon emissions from space

Through these applications, LIDAR-based carbon sensing technology plays a critical role in enhancing our understanding of the atmosphere and informing strategic actions to combat climate change.

 

 

 

 

 



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  • 201 McLean Blvd.Synergy Microwave Corporation
  • Paterson, New Jersey
  • United States 07504

  • Contact Event Hosts
  • Dr. Ajay Poddar (akpoddar@ieee.org); Dr. Anisha Apte (anisha_apte@ieee.org), Dr. Edip Niver (edip.niver@njit.edu)

     

     

     

     

     

  • Co-sponsored by North Jersey Section, AP-S COPE and AP-S SIGHT
  • Starts 01 June 2025 02:00 PM UTC
  • Ends 16 June 2025 09:00 PM UTC
  • No Admission Charge


  Speakers

Prof. Ulrich L Rohde

Topic:

LIDAR for Carbon Detection in the Atmosphere

LIDAR-based carbon sensing is an advanced remote sensing technique that allows for real-time measurement of atmospheric carbon compounds, primarily carbon dioxide (CO₂) and methane (CH₄), which contribute to global warming. Utilizing the Differential Absorption LIDAR (DIAL) method, it emits laser pulses at specific wavelengths absorbed by these gases, enabling precise concentration profiling across different altitudes and regions. Mounted on ground stations, aircraft, or satellites, LIDAR systems provide high-resolution data for tracking emissions, validating climate models, and monitoring natural carbon sinks like forests and wetlands. As climate change mitigation efforts grow, LIDAR-based sensing becomes vital for understanding greenhouse gas dynamics and shaping environmental policies.

 

 

Biography:

Prof. Dr. Ing. habil. Ulrich L. Rohde is a partner at Rohde & Schwarz in Munich, Germany, and serves as the Chairman of Synergy Microwave Corp. in Paterson, New Jersey. He is also the President of Communications Consulting Corporation and holds the position of honorary member of the Senate at both the University of the Armed Forces Munich and the Brandenburg University of Technology Cottbus–Senftenberg in Germany. Additionally, he is a former member of the Board of Directors of Ansoft Corporation in Pittsburgh, Pennsylvania. Dr. Rohde is a Professor of Radio-Microwave Frequency Theory and Techniques at various universities worldwide. His positions include Honorary Professor at IIT Delhi, Honorary Chair Professor at IIT Jammu, a Professor at the University of Oradea for Microwave Technology, an Honorary Professor at the BTU Cottbus-Senftenberg University of Technology, and a professor at the German Armed Forces University Munich in Technical Informatics. He has published over 350 scientific papers, co-authored more than a dozen books, and holds numerous patents. Dr. Rohde has received several prestigious awards, including the 2019 IETE Fellow Award, the 2019 IEEE CAS Industrial Pioneer Award, the 2017 RCA Lifetime Achievement Award, the 2017 IEEE-Cady Award, the 2017 IEEE AP-S Distinguished Achievement Award, the 2016 IEEE MTT-S Applications Award, the 2015 IEEE-Rabi Award, the 2015 IEEE Region-1 Award, and the 2014 IEEE-Sawyer Award.

In 2021, Dr. Rohde was honored with the Cross of Merit of the Federal Republic of Germany. The Order of Merit is the highest tribute that Germany can bestow upon individuals for their service to the nation.

 

Email:

Address:New Jersey, United States

Dr. Ing. Habil Ajay K. Poddar of Synergy Microwave Corp.

Topic:

Advanced AI, Machine Learning, and Virtual Reality Technologies for Atmospheric Carbon Detection Using LIDAR

Integrating Artificial Intelligence (AI), Machine Learning (ML), and Virtual Reality (VR) with Light Detection and Ranging (LIDAR) technology for carbon detection in the atmosphere significantly enhances the accuracy, efficiency, interpretation, and visualization of greenhouse gas monitoring systems. A sophisticated drone-mounted LIDAR system can be outfitted with advanced indium phosphide (InP) diode lasers, which are capable of emitting specific wavelengths that facilitate the precise measurement of carbon dioxide (CO₂) concentrations across various urban landscapes. The system collects high-resolution data by scanning the atmosphere and capturing the reflectance of emitted laser pulses.

Real-time signal processing is conducted by an edge AI module, which employs complex algorithms to analyze the incoming data, estimate CO₂ concentrations, and swiftly identify any anomalies in the readings that may indicate unusual emission sources or events. These findings are then transmitted to an interactive VR dashboard, where city planners and environmental scientists can visualize the data in a three-dimensional space. This setup allows users to engage with the information dynamically, assess different emission sources, and simulate various mitigation scenarios, such as policy changes or the implementation of green technologies, to better understand the potential impacts on air quality and climate change. 

Overall, this integrated approach improves the monitoring of greenhouse gases and empowers decision-makers with actionable insights for sustainable urban planning and environmental management.

 

 

 

 

Biography:

Ajay K. Poddar is an IEEE Fellow and member of IEEE Eta-Kappa-Nu, working as a Chief Scientist at Synergy Microwave, NJ, USA, responsible for the design and development of signal generation and signal processing electronics, RF-MEMS, and Metamaterial-Sensors/Electronics for industrial, medical, and space applications. He is also serving as a visiting professor at the University of Oradea, Romania, Indian Institute of Technology Jammu, India, and a guest lecturer at the Technical University of Munich, Germany. Previously (1991-2001), he was a Senior Scientist and Program Manager at DRDO (Defense Research and Development Organization), Ministry of Defense, India, and a visiting Professor at the University of Pune, India. Dr. Poddar graduated from IIT-Delhi, India; his Doctorate (Dr.-Ing.) from Technical University Berlin, Germany; Post Doctorate (Dr.-Ing. habil) from Brandenburg Technical University Cottbus, Germany. He has received over a dozen awards, to name a few  2015 IEEE IFCS Cady Award in recognition of his outstanding scientific contributions to a host of frequency-generating and frequency-controlled electronics and timing devices for industrial, medical, and space applications, and the recipient of the 2023 RCA Armstrong Medal for outstanding contributions to radio and wireless communications, 2018 IEEE MGA Innovation Award for his dedicated volunteering service to members, chapters and humanitarian projects,  recipient 2015 IEEE R1 Award for “Outstanding Scientific Contributions, Leadership and Service, recipient 2009 IEEE R1 Award for “Outstanding Leadership and Contributions in the Research, Design and Development of Microwave Systems, and selected in the list of Divine Innovator “Divine Innovation: 10 Technologies Changing the Future of Passive and Control Components” (Photo shows on Cover page, Microwave Journal, November 2011). Dr. Poddar published 350-plus scientific papers in journals, magazines, and conference proceedings, co-authored five technical books/chapters, and 40-plus patents for scientific and technological innovations. For the past 30 years, he has supervised many Ph.D. students worldwide, served as an editor of many technical journals, and is currently serving on several scientific committees, professional societies, and voluntary organizations. As the Chair of the Global IEEE Chapter Activity Committee, Dr. Poddar has created over 200 chapters worldwide in the last 20 years to connect the outreach regions to benefit the members and local communities. Dr. Poddar has been actively involved with IEEE SIGHT/HAC, IEEE sister societies, and IEEE MGA activities, including charitable services for addressing inequality, especially in underserved communities.

 

 

Address:New Jersey, United States


Dr. Jawad Siddiqui of Royal Military College of Canada, Queens University

Topic:

LIDAR for Carbon Detection in the Atmosphere

LIDAR (Light Detection and Ranging) technology is increasingly being utilized for carbon detection in the atmosphere, offering high-resolution, real-time monitoring of greenhouse gases such as carbon dioxide (CO₂) and methane (CH₄). LIDAR systems can accurately determine the concentration and distribution of carbon-based compounds over large geographic areas by emitting laser pulses and analyzing the light scattered back from atmospheric particles and gases. Advanced LIDAR systems, often incorporating tunable diode lasers such as those made from indium phosphide, enable precise differential absorption measurements critical for detecting trace gas concentrations. This capability is essential for climate science, environmental policy enforcement, and the development of data-driven strategies to mitigate the effects of global warming. Furthermore, integrating artificial intelligence and machine learning enhances the data interpretation, enabling automated classification and trend prediction, while virtual and augmented reality tools offer immersive visualization for researchers and policymakers.

 

 

Biography:

Jawad Y. Siddiqui is an Associate Professor at the Institute of Radio Physics and Electronics, University of Calcutta, India. He received his Doctor of Philosophy degree in Radio Physics and Electronics from the University of Calcutta in 2005. He worked as a Post Doctoral Fellow at the Royal Military College of Canada and as a Visiting Researcher at Queen’s University, Canada, from 2008 to 2021. He has more than 150 publications in peer-reviewed journals and conferences. His research areas include printed circuits and antennas, radar, and nano-photonics. He is a Co-Principal Investigator on the Stratosphere Troposphere (ST) Radar Project at the University of Calcutta. He is a Senior Member of the IEEE and was Chair for the AP-S and MTT-S Jt. Chapter in IEEE Kolkata Section and SIGHT Chapter, IEEE Kolkata Section. He is the R10 Coordinator (CAC) of the IEEE Antennas and Propagation Society. He is currently the IEEE AP-S SIGHT Chair and a Member of the IEEE Humanitarian Activities Committee. He is also a Member of the MTT-S Meetings and Symposia Committee. He is the recipient of the 2022 IETE S.N. Mitra Award.

 

Email:

Address:Royal Military College of Canada, Queens University, , United States





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