Single atom optical clocks - PowerPoint PPT Presentation


Understanding Models of the Atom: Nucleus, Protons, Electrons

Dive into the fundamental concepts of atoms, exploring their structure with a focus on the nucleus, protons, electrons, and neutrons. Discover how the periodic table reveals crucial information about elements, such as atomic number and mass number. Explore the evolution of atom models and the necess

3 views • 20 slides


Next-Generation Optical Camera Communication in Virtual Power Plants

The submission discusses the application of Next-Generation Optical Camera Communication (NG-OCC) in virtual power plants, highlighting its advantages in transmitting data efficiently and reliably in the energy sector. NG-OCC utilizes light for communication, minimizing interference risks and offeri

5 views • 8 slides



Understanding Optical Fiber Signal Degradation in Communication Engineering

Technocrats Institute of Technology (Excellence) in Bhopal delves into the concepts of signal degradation in optical fiber communication, focusing on attenuation, distortion mechanisms, and measurement techniques. The institute emphasizes the importance of signal attenuation and its impact on inform

4 views • 56 slides


Understanding Modern Optical and Infrared Astronomy Instruments

This presentation by Professor Don Figer explores modern optical and infrared instrumentation used in astronomy, including cameras, spectrographs, and specialized devices like coronagraphs. It covers instruments such as HST, Spitzer, Chandra, JWST, ELTs, and WFIRST, highlighting their capabilities i

0 views • 40 slides


Channelization to Include Optical Bands in IEEE 802.11 Standards

This document discusses the proposal to incorporate optical bands into the channelization framework of the IEEE 802.11 standard. It aims to align the channelization approach for integrated LC with that of mm-wave technology in the IMMW scope. The contribution highlights recent works, emphasizing the

0 views • 11 slides


Understanding Green Chemistry Principles and Efficiency in Chemical Processes

Green chemistry focuses on designing sustainable chemical products and processes to minimize hazardous substances. It advocates for waste prevention, efficient reactions, and use of raw materials. Chemical engineers play a key role in optimizing percentage yield and atom economy for efficient produc

0 views • 49 slides


Exploring Quantum Theory and the Atom: Electrons in Atoms and the Periodic Table

Delve into the fascinating world of quantum theory and the atom in Chapter 9, where we compare Bohr's model with the quantum mechanical model. Understand de Broglie's wave-particle duality and Heisenberg's uncertainty principle's impact on our current electron view. Discover the relationships among

0 views • 31 slides


Optical Properties of Optically Active Compounds

Circular dichroism and optical rotatory dispersion are important techniques for studying the optical properties of optically active compounds. Circular dichroism measures the differential absorption of left and right circularly polarized light components, while optical rotatory dispersion studies th

0 views • 17 slides


Exploring Parts of the Atom: A Visual Journey

Delve into the discovery of the constituents of an atom, from the negatively charged particles in the electron cloud to the positively charged particles in the nucleus. Learn about protons, neutrons, and the particle with no charge as they form the building blocks of matter. Engage with visually sti

4 views • 17 slides


Understanding Atomic Structure: Electrons, Energy Levels, and Historical Models

The atomic model describes how electrons occupy energy levels or shells in an atom. These energy levels have specific capacities for electrons. The electronic structure of an atom is represented by numbers indicating electron distribution. Over time, scientists have developed atomic models based on

0 views • 5 slides


Understanding Optical Telescope Types and Lens-Maker's Formula

Optical telescopes utilize lenses or mirrors to collect and focus light for imaging celestial objects. The lens-maker's formula is crucial for determining the focal length of lenses, considering factors like index of refraction and radii of curvature. Different lens configurations and materials help

0 views • 17 slides


Exploring the Vector Atom Model in Quantum Physics

Delve into the Vector Atom Model as presented by Dr. R. R. Mistry, discussing the quantum numbers, coupling, exclusion principles, and effects like Zeeman and Stark. Learn how this model explains complex atomic spectra and spatial quantization, offering a deeper understanding of atomic structures.

0 views • 11 slides


Overview of Optical Fibre Technology and Applications

Optical fibre technology, spearheaded by Dr. Prabodh Sahai Saxena, revolutionizes communication systems through light transmission. This cutting-edge technology utilizes fibre optics made of glass or plastic to carry light signals, offering advantages like high bandwidth, low signal loss, and no ele

0 views • 20 slides


Evolution of Optical Technology: From Telegraph to Photonic Integrated Circuits

The journey of optical technology evolution spans from the invention of the telegraph in 1836, through the introduction of optical fibers in 1978, to the development of photonic integrated circuits in the present era. Key milestones include the advent of optical amplifiers in 1990, the emergence of

0 views • 70 slides


Fiber Optic Communication System Overview

This article presents a detailed explanation of a point-to-point fiber optic communication system, outlining the process from voice conversion to signal transmission and reception. It discusses the advantages and limitations of optical communication systems, along with numerical examples related to

5 views • 11 slides


Understanding Causal Consistency in Distributed Systems

This content covers the concept of causal consistency in computing systems, exploring consistency models such as Causal Linearizability and Eventual Sequential. It explains the importance of logical clocks like Lamport and vector clocks, and how they ensure order in distributed systems. The concept

0 views • 35 slides


Optical Equipment Safety Review and Hazard Analysis

This document provides an in-depth review of the safety considerations for the ATST optical equipment, focusing on potential hazards associated with the M2 Mirror, Heat Stop Assembly, and other critical components. The Preliminary Hazard Analysis identifies various risks, causes, and recommended act

0 views • 13 slides


Overview of Laser Delivery Systems for Surgical Procedures

Institute of Laser for Postgraduate Studies at the University of Baghdad, led by Assist. Prof. Dr. Lutfi Ghulam Awazli, focuses on laser delivery systems in surgical procedures. The systems discussed include optical fibers, articulated arms, hollow waveguides, and free beams. Optical fibers, compose

0 views • 10 slides


Understanding Optical Storage Technology

Optical storage technology originally designed for audio offers a capacity of 650MB, providing over 70 minutes of audio playback. Data is recorded digitally on a polycarbonate disk's surface as microscopic pits. The disk is organized in a spiral track with sectors of the same length arranged in bloc

5 views • 16 slides


Advances in Optical Bench Technology for Gravitational Wave Detectors

This content discusses the latest advancements in optical bench technology for gravitational wave detectors, focusing on precise measurements of back-scattered light, development of new optical cavities, and testing of Sagnac interferometers. Key objectives include improving suspension controls, red

0 views • 13 slides


Optical Alignment Using Beam Triangle Opti 521 Phil Scott

This presentation delves into the intricate process of optical alignment using a beam triangle, focusing on defining optical and mechanical axes, addressing alignment challenges, degrees of freedom for various elements, and the importance of setting up a beam triangle for accurate alignment. The con

0 views • 14 slides


The Rutherford Atom and Its Structure

The Rutherford atom is characterized by a thin circle of negative electrons surrounding a tiny positive nucleus. In this model, the electrons are in a diffuse cloud around the nucleus, forming the majority of the atomic volume but only a small fraction of the mass. Protons define an element's atomic

0 views • 17 slides


Transimpedance Amplifiers in CMOS Technology for Optical Communications at 40 Gb/s

This research by Joseph Chong at Virginia Tech delves into the use of transimpedance amplifiers (TIAs) in CMOS technology for optical communications operating at a data rate of 40 Gb/s. The study outlines the motivation behind the project, the role of TIAs in optical receivers, TIA circuit topologie

0 views • 52 slides


Evolution of Atomic Models: From Thomson to Bohr

Scientists from J.J. Thomson to Niels Bohr made groundbreaking discoveries in understanding the structure of the atom. Thomson's plum-pudding model was followed by Rutherford's nuclear model, revealing the nucleus. Bohr introduced the concept of discrete energy levels and orbits for electrons. These

4 views • 22 slides


Exploring Atom Structure and Properties Questions

This series of questions delves into the intriguing world of atoms, covering topics such as atom size comparison, proton count identification, location of metals on the Periodic Table, nucleus charge explanation, atomic number significance, various arrangements of the Periodic Table, subatomic parti

0 views • 12 slides


Limits on Dark Energy Using Atom Interferometry - UC Berkeley Study

Research conducted by Paul Hamilton Müller's group at the University of California, Berkeley, focuses on using atom interferometry to explore dark energy. The study delves into screened scalar fields as dark energy, future reach with atom interferometry, known unknowns related to dark energy densit

0 views • 39 slides


Proper Care and Maintenance of Optical Equipment to Prevent Infections

Regular examination and proper cleaning of tonometer prisms are essential to reduce the risk of transmitting infections during eye examinations. Disinfection and sterilization processes are crucial in maintaining optical equipment hygiene. Different disinfectants and physical methods can be used to

0 views • 24 slides


Optical Frequency Interferometer Bench Analysis

Detailed examination of the optical setup for an Optical Frequency Interferometer (OFI) system, including the input/output configurations with various optical components such as prisms, crystals, and wave plates. The analysis focuses on the path and behavior of beams within the system, considering r

0 views • 14 slides


Evolution of Optical Fiber Technology

Optical fiber technology has a rich history starting from John Tyndall's demonstrations in 1870 to the development of flexible fiberscopes by Hopkins and Kapany. This technology revolutionized communication systems and medical diagnostics, enabling the transmission of information through thin glass

0 views • 85 slides


Low-Latency Inter-Datacenter State Machine Replication Using Clock-RSM

Clock-RSM introduces a low-latency approach to inter-datacenter state machine replication by utilizing loosely synchronized physical clocks. This method ensures strong consistency, fault tolerance, and fast failover in a geo-replication environment. By overlapping ordering and replication using phys

0 views • 29 slides


Fun with Calendars and Clocks

Explore the world of calendars and clocks with activities, questions, and fascinating facts. From learning the number of days in different months to understanding how the hands of a clock work, dive into the concepts of time and organization. Engage in interactive tasks like marking birthdays, natio

0 views • 25 slides


Optical Follow-Up Observation of GW170817 and GW Astronomy Milestones

Optical follow-up observations have been instrumental in studying the gravitational wave source GW170817. This event marked a significant milestone in GW astronomy, leading to Nobel prizes and advancements in astrophysical studies. The era of GW astronomy began in 2015 with the detection of GW150914

1 views • 33 slides


Optical Image Formation: Principles and Conditions

Understanding the principles and conditions governing optical image formation, including the role of broad bundles of rays, wave surfaces, magnification ratios, and axially-symmetric optical systems. Explore the conditions for imaging line segments, optical path lengths, and the general criteria for

0 views • 13 slides


Atom Probe Sample Request Details and Instructions

This detailed guide provides instructions and recommendations for submitting a sample request for atom probe analysis. It includes information on how to describe the sample, provide images, and outline the goals of the analysis. By following these guidelines, customers can facilitate discussions wit

0 views • 5 slides


Optical Testing Setup Procedures for Vacuum Windows and Polarizers

Detailed procedures for optical testing setups involving vacuum windows, polarizers, rotation stages, translation stages, photodiodes, scopes, power meters, and more. The process includes preparing the initial state, rotating analyzers, monitoring transmission, and verifying the direction and magnit

0 views • 5 slides


Understanding Plastic Injection Molding for Optical Components

Plastic injection molding is a cost-effective method for mass-producing optical components, offering an economical alternative to glass. This process involves designing molds, considering factors like shrinkage and surface equations, ensuring smooth mold flow, and regulating fluid flow through gates

0 views • 12 slides


Deciphering Heavy Atom Coordinates from Difference Patterson Map: An Overview

Understanding how to determine heavy atom coordinates from a difference Patterson map involves recognizing the relationship between Patterson peak coordinates (u,v,w) and space group symmetry operators in crystallography. By solving equations that relate these coordinates, the absolute positions of

0 views • 5 slides


Optical Fiber Calibration System & Adaptive Power Supply by J. Cvach

Introduction to an optical fiber calibration system and adaptive power supply developed by J. Cvach from the Institute of Physics, ASCR, Prague. The system includes an LED driver, notched fibers, and adaptive power supply for various applications, such as the calibration of the CALICE AHCAL and LHCb

0 views • 13 slides


Importance of Single Crystals in Crystal Growth and Applications

Single crystals differ from polycrystalline samples due to their periodic atomic arrays in three dimensions, essential for applications in the electronic and optical industries. Growing single crystals is crucial for structure determination and intrinsic property measurements. Various methods of cry

0 views • 11 slides


The Importance of Atomic Clocks in Modern Technology

Explore the significance of precise timekeeping provided by atomic clocks, the fundamentals of atomic clocks, the advancements in single-atom optical clocks by experts like D. J. Wineland from NIST Boulder, the role of atomic energy state superpositions, and the practical operation of atomic clocks.

0 views • 33 slides