Data from scientific instruments can provide more precise measurements than analog film. Scientists can graph the measurements, examine the unique patterns of absorption and reflection of visible and infrared energy, and use this information to identify types of plants. The graph below shows the differences among the spectral signatures of corn, soybeans, and Tulip Poplar trees.

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100 stands for objective lens magnification, i.e. 100x; · 1.25 stands for the objective lens aperture (numerical aperture); · oil stands for oil immersion ( ...

Retro look flip up reader glasses available in many different strengths. Customer Reviews. Hide Show.

SMA905connectorspecifications

Jan 17, 2009 — As the distance between the slits d is decreased, the angles of the maxima increase. Small distances correspond to a spread out interference ...

Dec 31, 2022 — Inexpensively made Fresnel lenses make poorer quality images than traditional glass lenses because of a problem called spherical aberration: ...

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VAR-8970-02 is a Set Item Of (1) · VAR-8970-02 is a Set Item Of (1) · VAR-4045S.

National Aeronautics and Space Administration, Science Mission Directorate. (2010). Reflected Near-Infrared Waves. Retrieved [insert date - e.g. August 10, 2016], from NASA Science website: http://science.nasa.gov/ems/08_nearinfraredwaves

Our eyes perceive a leaf as green because wavelengths in the green region of the spectrum are reflected by pigments in the leaf, while the other visible wavelengths are absorbed. In addition, the components in plants reflect, transmit, and absorb different portions of the near-infrared radiation that we cannot see.

Reflected near-infrared radiation can be sensed by satellites, allowing scientists to study vegetation from space. Healthy vegetation absorbs blue- and red-light energy to fuel photosynthesis and create chlorophyll. A plant with more chlorophyll will reflect more near-infrared energy than an unhealthy plant. Thus, analyzing a plants spectrum of both absorption and reflection in visible and in infrared wavelengths can provide information about the plants' health and productivity.

In physics, absorption of electromagnetic radiation is how matter takes up a photon's energy — and so transforms electromagnetic energy into internal energy ...

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SMA905Fiber Optic Connector

An objective lens determines the basic performance of an optical microscope or imaging systems and is designed for various performance needs and applications.

A portion of radiation that is just beyond the visible spectrum is referred to as near-infrared. Rather than studying an object's emission of infrared, scientists can study how objects reflect, transmit, and absorb the Sun's near-infrared radiation to observe health of vegetation and soil composition.

Near-infrared data can also help identify types of rock and soil. This image of the Saline Valley area in California was acquired by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) onboard NASA's Terra satellite.

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Data from ASTER's visible and near-infrared bands at 0.81 µm, 0.56 µm, and .66 µm are composited in red, green, and blue creating the false-color image below. Vegetation appears red, snow and dry salt lakes are white, and exposed rocks are brown, gray, yellow, and blue. Rock colors mainly reflect the presence of iron minerals and variations in albedo (solar energy reflected off the surface).

An aberration is where an image displays one or more forms of imperfection, due to certain characteristics of the camera equipment and settings used. A Little ...

NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.

SMA905Connectordrawing

It replaces the old fiber optic cables used for I/O Ring devices and equipped with T&B connectors. To adapt T&B connector, use also 93000732D (plastic tube)

Construction: Polarizers come in many forms and designs. Thin film polarizers are thin films similar to optical filters. Polarizing plate beamsplitters are thin ...

This false-color composite of Jupiter combines near-infrared and visible-light data of sunlight reflected from Jupiter's clouds. Since methane gas in Jupiter's atmosphere limits the penetration of sunlight, the amount of reflected near-infrared energy varies depending on the clouds' altitude. The resulting composite image shows this altitude difference as different colors. Yellow colors indicate high clouds; red colors are lower clouds; and blue colors show even lower clouds in Jupiter's atmosphere. The Near Infrared Camera and Multi-Object Spectrometer (NICMOS) onboard NASA's Hubble Space Telescope captured this image at the time of a rare alignment of three of Jupiter's largest moons—Io, Ganymede, and Callisto—across the planet's face.

Data and imagery from the U.S. Geological Service (USGS) and NASA Landsat series of satellites are used by the U.S. Department of Agriculture to forecast agricultural productivity each growing season. Satellite data can help farmers pinpoint where crops are infested, stressed, or healthy.

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Color Infrared film can record near-infrared energy and can help scientists study plant diseases where there is a change in pigment and cell structure. These two images show the difference between a color infrared photo and a natural color photo of trees in a park.

Science Mission Directorate. "Reflected Near-Infrared Waves" NASA Science. 2010. National Aeronautics and Space Administration. [insert date - e.g. 10 Aug. 2016] http://science.nasa.gov/ems/08_nearinfraredwaves

Diopter refers to the optical power (or strength) of the magnifying lens. It is the strength of the magnifying lens measured at one meter. Four diopters (4.0D) ...