Sentences with phrase «from infrared lasers»

However, the wavelength of the beam from the infrared lasers used in CD players and existing laser disc recorders is too long to be focused precisely enough to read such tiny pits.

As it enters, it is combined with another laser pulse from an infrared laser.

Starting from an infrared laser, the researchers generate a soft X-ray laser pulse with a very large spectral bandwidth.

Not exact matches

In the hope that this analysis can become even more exact, the laser physicists from the Laboratory of Attosecond Physics at Ludwig - Maximilians - Universitaet (LMU) in Munich and the Max Planck Institute for Quantum Optics have developed an infrared light source that has an enormously broad spectrum of wavelengths.

Petitto's machine, made by Hitachi, uses weak infrared light from a laser diode, which shines through the skull and then about an inch farther into the brain.

He's done so by precisely focusing infrared laser light to selectively ionize, or steal the electrons from, air molecules at the beam's focal point, generating a flash of bluish - white plasma.

The global maps were created from data obtained by an instrument called the Mars Orbiter Laser Altimeter (MOLA), which bounces an infrared laser beam off the surface and calculates the distance from the spacecraft by measuring the time it takes to detect the reflected pLaser Altimeter (MOLA), which bounces an infrared laser beam off the surface and calculates the distance from the spacecraft by measuring the time it takes to detect the reflected plaser beam off the surface and calculates the distance from the spacecraft by measuring the time it takes to detect the reflected pulse.

Broadband infrared lasers are typically built up from a laser that produces very short pulses of light, and then a series of amplifiers ramps up the power, but this approach is limited to laboratories.

This uses an infrared sensor, a GPS laser rangefinder — that uses lasers to calculate distance — and a video camera to find a sniper's position using the signal from Boomerang.

The researchers fixed a three centimetre long diamond strip, just 0.3 millimetre thick, in a specimen holder and triggered a shock wave with a brief flash from a powerful infrared laser that hit the narrow edge of the diamond; this pulse lasted 0.15 billionths of a second (150 picoseconds) and reached a power level of up to 12 trillion watts (12 terawatts) per square centimetre.

Now, researchers have come up with a more direct approach, by inventing a new material that converts photons from an infrared (IR) laser into visible light.

Theoretically, any of a variety of sensors on a person's body — from cameras to infrared, ultrasound, or laser rangefinders — could convey information about what is surrounding or approaching the person in the real world to a direct brain stimulator that gives that person useful input to guide their actions.

Invisible infrared light from a semiconductor laser diode, powered by batteries, is passed through a crystal that allows photons to interact with each other.

Practical difficulties — such as keeping the infrared laser cool enough to avoid self - destruction — have deterred electronics companies from trying to use the system for consumer products until now.

He and his colleagues have conducted long - term studies of the dust disks around old stars and the changes in aged red giants such as Betelgeuse, and are preparing the telescopes to look for possible infrared laser signals from newly discovered planets circling nearby stars, in search of extraterrestrial civilizations.

The pulses emitted from near - infrared lasers can also better penetrate through tree canopies to reflect off the ground, which is a necessary measurement for determining the height of trees.

This infrared image shows a laser beam signal from NASA's LADEE moon probe as seen in infrared by the European Space Agency's Optical Ground Station in Tenerife, Spain on Oct. 26, 2013.

Specifications: Laser sighting for accurate aiming Infrared Temperature Range -58 ° to 986 °F -LRB--50 ° to 530 °C) Infrared Accuracy ± 2 % of reading or ± 1 °F or 1 °C Selectable temperature units °F / °C 14:1 Distance - to - spot size ratio Emissivity adjustable from 0.1 to 1.0 Bright large blue back - lit LCD display Lock for continuous temperature scanning Select Laser On / Off Uses one 9V battery (included) to provide nominal 30 hours of continuous operation Automatic power OFF

Dear Dr Wentz, Dr Michael Hamblin at Harvard states that there is no difference between red / infrared light from a laser vs from LED lights.

Modern radar detectors, such as the Valentine One and various Escort units, are also expected to recognize pulsed, infrared laser beams and even signals from the Ku - band, which is being used by traffic police in Europe but not in the United States — yet.

In pitch - dark conditions, people and animals can be detected from a distance of up to 100 metres, by infrared camera, and «spotlighted» by the laser - based Dynamic Light Spot.

In the top - of - the - line version, the sensor set of the A6 includes up to five radar sensors, five cameras for visible light and an infrared camera for the night vision assist, twelve ultrasonic sensors and a laser scanner - another innovation from the brand with the Four Rings.

Therapeutic lasers release light from the infrared spectrum at two slightly different wavelengths, and the light is sent in two different patterns, pulsed waves and continuous waves.

Infrared laser light from therapy lasers harmlessly penetrates deep into tissues where it is absorbed in the cells, and this energy is converted into chemical, not thermal, energy.

The researchers studied 10 different laser setups ranging in strength and pulse duration and across the spectrum from ultraviolet to infrared.

Lasers are good counterexamples because they are monochromatic, so you can't pretend that your burned finger came from «secret» infrared added to the beam by your invisible fairies.

The infrared laser «fires» a wavelength of red light and waits for the return signal to measure the distance from the sensor.