Optical signaling - PowerPoint PPT Presentation


Addressing 5G Signaling Protocol Vulnerabilities

The 8th meeting of the Communications Security, Reliability, and Interoperability Council to discuss and address security vulnerabilities in the newly adopted 5G signaling protocol, HTTP/2. Learn about potential risks, recommended safeguards, and the prevention of these vulnerabilities in the upcomi

3 views • 85 slides


Improving HER2 Targeting in NSCLC With Selective TKI

HER2 activation plays a crucial role in promoting tumor proliferation and survival in NSCLC. Driven by oncogenic downstream signaling pathways, HER2 overexpression and gene amplification lead to the formation of heterodimers and activation of key signaling cascades. Additionally, HER2 mutations are

0 views • 36 slides



ACEA TF-ACSI Work on Exterior Acoustic Signaling Report

The report details the work of ACEA Task Force Acoustic Signaling in harmonizing requirements, defining characteristics, and creating a framework for exterior acoustic signals. It encompasses reviewing regulations, clustering acoustic signaling functions, and prioritizing management. The objective i

5 views • 9 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

2 views • 11 slides


Navigational Rules and Signaling for Vessels

Navigational rules and signaling procedures detailed in Rules 32 to 34 for vessels include definitions of whistle blasts, required signaling equipment based on vessel size, maneuvering and warning signals, and indications for overtaking situations. Vessels must use prescribed whistle signals or flas

0 views • 17 slides


Precision Oncology Research using Deep Learning Models

Lujia Chen, a Postdoc Associate at the University of Pittsburgh, focuses on developing deep learning models for precision oncology. By utilizing machine learning, especially deep learning models, Chen aims to identify cancer signaling pathways, predict drug sensitivities, and personalize cancer trea

1 views • 5 slides


Guide to Line Judging in Volleyball Tournaments

Learn the essential duties and protocols of a line judge in volleyball tournaments, from arriving early to signaling faults confidently. Find out about pre-match briefings, warm-up preparations, and handling timeouts effectively. Explore tips for positioning, signaling, and staying focused during ga

0 views • 14 slides


Multi-BSSID Operation with MLO Overview and Signaling Considerations

The document discusses the integration of Multiple BSSID set feature and Multi-Link Operation (MLO) in IEEE 802.11 networks. It delves into the setup of virtual Access Points (APs) on the same device with distinct attributes, the formation of common parameters across APs within an MLD, and the signa

1 views • 13 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


IEEE 802.11-21/1737r0 Beacon and Group Frames Information

An IEEE document from November 2021 discusses Beacon and group frames in wireless networks, focusing on out-of-band signaling to improve BSS range determination and frame reception by non-AP MLDs. It addresses the impact of frame types and MCS on BSS range and transmission rates, proposing solutions

3 views • 14 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


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


IEEE 802.11-20/1192r0 TB PPDU Format Signaling in Trigger Frame

The document discusses the need for a clear rule to determine the TB PPDU format for MU operations in IEEE 802.11 standards. It proposes methods to indicate the TB PPDU format in Trigger frames to avoid conflicts between different station types. Various signaling methods are suggested to differentia

0 views • 14 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


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


VF-Italy Network Requirements and Technical Limitations Overview

The document outlines the network requirements and technical constraints for VF-Italy's D-SIP, focusing on IMS network constraints, supported voice codecs, signaling protocols, and SIP access interfaces. It details the INVITE format for calls, codec requirements, DTMF support, signaling options, fai

0 views • 25 slides


Evolutionary Dynamics in Signaling Games and Strategies

Explore the intricate dynamics of signaling games and evolutionary strategies like Lewis signaling games, Hamilton Maynard Smith theories, and replicator dynamics. Witness the evolution of signaling strategies through simulations and understand the role of replicator dynamics in population interacti

1 views • 50 slides


Signaling Pathway Through TLR4: A Molecular Signal Transduction Process

Signaling through Toll-like Receptor 4 (TLR4) involves a series of steps starting from receptor activation to transcription factor activation, leading to the synthesis of desired proteins. The pathway can occur through MyD88-dependent or TRIF-dependent pathways, resulting in different downstream eff

0 views • 5 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


Understanding Cell Communication: Signaling Mechanisms and Types

Cell communication plays a crucial role in biological processes, involving intercellular and intracellular signaling through ligands and receptors. This communication occurs via various forms of chemical signaling, including paracrine, endocrine, autocrine, and direct signaling methods. Each type of

0 views • 27 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


IEEE 802.11-19/1606r0 Preamble Puncturing and SIG-B Signaling

EHT, an enhancement to the IEEE 802.11 standard, aims to improve channel access in dense environments using wider bandwidth operation. This document discusses the design considerations for SIG-B content channels and preamble puncturing in the context of EHT's support for 320MHz bandwidth and multipl

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


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


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


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


Characterization of 3G Control-Plane Signaling Overhead

This study focuses on characterizing the control-plane signaling overhead in 3G networks caused by the initiation and release of radio resources with raw IP data packets. It explores the impact of massive signaling messages triggered by data transfer on 3G networks, aiming to validate a data-plane a

0 views • 22 slides


Lab 3: Centering Optical Elements & Systems with Precision

Centering optical elements and systems accurately is crucial for optical alignment processes. This lab focuses on using an air bearing rotary table and dial indicators to achieve precise centering. The equipment used includes PSM, displacement indicators, adjustment screws, and magnetic mounts. Prop

0 views • 14 slides


Understanding Nonlinear Optical Processes in Semiconductors

Exploring the complexities of nonlinear optics in the perturbative and non-perturbative regimes, this research delves into the generation of harmonics, optical Kerr effects, and extreme nonlinear optical phenomena utilizing phase-controlled electromagnetic pulses. The work also investigates the inte

0 views • 15 slides


Understanding ISO 10110 Optical Drawing Standards

ISO 10110 Optical Drawing Standards provide guidelines for preparing drawings of optical elements and systems, essential for interpreting optical drawings accurately. The standard includes 13 parts covering aspects such as material imperfections, surface form tolerances, and more. Compliance with IS

0 views • 17 slides


Exploring Optical Potentials and Resonances at Lower Energies

Investigating the accuracy of common approximations in linking optical potentials to resonances at lower energies. The study focuses on neutron reactions with 14N as a test case, transitioning from R-matrix theory to Hauser-Feshbach models and evaluating known levels and level densities. Key topics

0 views • 22 slides


Understanding Decentration in Optical Techniques for Medical Glasses

Decentration in optical lenses refers to adjusting the optical center of the lens to align directly in front of the patient's eye. This process is necessary when the frame pupillary distance (PD) or the patient's PD differs. The formula for calculating decentration in single-vision lenses is provide

0 views • 16 slides


Understanding Surface Scratch Specifications in Optical Elements

This informative content delves into the specifications for surface scratches on optical elements, highlighting criteria such as scratch width, length limitations, and scratch density requirements. It explains how to evaluate compliance with these specifications using examples and images, emphasizin

0 views • 14 slides