Concept

Radiant intensity

Related lectures (32)

Explores radiometry and photometry concepts, including the history of photomedicine and the measurement of electromagnetic radiation and light.

Blackbody Radiation and Solar Irradiance

Explains blackbody radiation, solar irradiance, and energy exchange between the Sun and Earth.

Radiometric Effects in Remote Sensing

Explores radiometric effects in remote sensing, including exposure loss, bidirectional reflectance, and applications in environmental studies.

From World to Images: Radiometry and Sensors

Covers radiometry, vignetting, sensor arrays, sensing, and sensors in camera imaging.

Remote Sensing: Imaging Techniques

Explores remote sensing imaging techniques, covering orbits, electromagnetic interactions, film characteristics, digital sensors, and satellite imagery examples.

Electricity Basics: Units and Standards

Introduces electricity basics, unit mishaps, fundamental electrical quantities, and measurement symbols.

Electromagnetic Waves: Properties and Interactions

Discusses the properties and interactions of electromagnetic waves, focusing on their propagation, spectrum, and implications for environmental detection.

Electroacoustics: Notions of Acoustics

Covers fundamental concepts of electroacoustics, including frequency response, sensitivity, efficiency, power, and directivity.

Photon Propagation: Light and Spectra

Explores photon propagation, light emission and reception, energy, spectra, flux, intensity, Doppler and red-shift, and universe expansion.

Quantifying Synchrotron Radiation: Part 1

Explores spectral flux, bandwidth, emittance, and brightness of synchrotron radiation, tracing its evolution since Röntgen.

Photomultiplier Tubes: Principles and Applications

Explains the principles of photomultiplier tubes and their applications in optical detection, focusing on gain, efficiency, and signal amplification.

Photon Statistics: Light Sources and Noise Properties

Covers light sources, their noise properties, and the implications for optical detectors.

Ray Optics: EM Wave Optics

Explores radiometry, photometry, laser power distribution, and light behavior in different media.

Complex Refractive Index

Explores the complex refractive index, its role in light propagation, absorption, and reflectivity.

Intrusion Detection: Pyroelectric Sensor Applications

Covers the principles and applications of pyroelectric detectors in intrusion detection systems.

Solar Radiation Spectrum: Understanding Earth's Energy Balance

Explores the solar radiation spectrum, Earth's energy balance, gravitational wells, and space debris challenges.

Light Intensity and Distance: Exploring LED Behavior

Examines how the intensity of red LEDs changes with distance to a hindrance.

Building Technology III: Visual Comfort

Explores the physics of building technology and the physiology of vision, emphasizing visual comfort and lighting effects.

Photomedicine: History

Covers the history of photomedicine, including the development of PDT and its application in treating age-related macular degeneration.

Autocorrelators: techniques and applications

Explores autocorrelators in laser systems, covering basic operation, noise characteristics, ultrafast lasers, and frequency conversion.