'Numerical aperture' presentation slideshows

MICROSCOPY

MICROSCOPY. Microscopy is the technical field of using microscopes to view samples or objects. There are three well-known branches of microscopy, optical, electron and scanning probe microscopy.

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PhotoLithography

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Tutorial on Microscopy September 15, 2007

Tutorial on Microscopy September 15, 2007. Why the need to study microscopy ? It is a tool complementary to molecular biology It has become an indispensable tool for many biologists and pathologists to check sterility of cultures to study the histology of biopsies

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Lecture-3 Optical Microscopy

Lecture-3 Optical Microscopy. Introduction Lens formula, Image formation and Magnification Resolution and lens defects Basic components and their functions Common modes of analysis Specialized Microscopy Techniques Typical examples of applications.

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Optical Microscopy

Optical Microscopy. Lecture 1. Concepts we will discuss in this lecture: . Natures of light Mechanism of Optical Imaging system The Use of Lenses and the Problem of Lenses Spatial Resolution. Some Properties of Light. Both lasers and white light sources used in microscopy. Laser.

871 views • 59 slides

Fiber Optics Technology

Fiber Optics Technology. Optical Communication Systems. Communication systems with light as the carrier and optical fiber as communication medium Optical fiber is used to contain and guide light waves Typically made of glass or plastic Propagation of light in atmosphere is impractical

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How we study microbes Chapter 3

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Microbiology 155

Microbiology 155. Lecture 2- Microscopy. Microscopy. Properties of light Wavelengths of light= colors. The visible spectrum Ranges from 420-680 nm. Resolution of light

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CLS 1113 Introduction to Clinical Laboratory Practice

CLS 1113 Introduction to Clinical Laboratory Practice. Microscopy Brunzel, Chapter 1. Always... use lens paper to clean lens surfaces. use a lens cleaning solution. protect the microscope from dust and debris when not in use. Document cleaning and have your scope serviced annually.

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PRESENTATION ON UNIT-IV OPTICAL FIBER

PRESENTATION ON UNIT-IV OPTICAL FIBER. BY DR. S. M. PETHE. What Is Fiber Optics ?. Transmitting communications signals over hair thin strands of glass or plastic Not a "new" technology Concept a century old Used commercially for last 25 years. Fiber Technology. n1 > n 2.

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Leakage Radiation M icroscopy

Leakage Radiation M icroscopy. C.E . Garcia -Ortiz October , 2012. Outline. Introduction to LRM Surface plasmon polaritons Imaging techniques Leakage radiation Numerical aperture and effective index Local excitation The LRM setup LRM imaging examples

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BLUE RAY DISC

BLUE RAY DISC. What is Blu-ray Disc ?. Next revolution in optical storage solution for - PC products/consumer electronics/gaming consoles *Huge Capacity -25 GB (single layer)/ 50 GB (double layer) -200 GB (multilayer) *Three versions at launch: -BD-ROM , BD-R , BD-RE

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Optical Data Storage

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Adjusting a Microscope

resolution ? contrast. brightness. Adjusting a Microscope. Center components on optic axis Focus objective Focus condenser Adjust illumination lamp voltage (intensity) iris diaphragm. Sample Preparation. ? fixation organic solvents (acetone, alcohols) formaldehyde glutaraldehyde

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Fiber Optics

Fiber Optics. By Matt Bayliss Jerome Carpenter. History and Background. Techniques of Total Internal Reflection first used by Greek and Venetian glass blowers centuries ago.

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Classification based on Modes of propagation

Classification based on Modes of propagation. Two types of modes exist in both, the step- and the graded-index fibers: Single-mode: As the name implies, a single-mode fiber sustains only one mode of propagation. Multimode: Multimode fibers contain many hundreds of modes. .

478 views • 14 slides