Applications/Sensors
 

Introduction - a wide range of application references

Avantes line of spectrometers enables the use in a very wide variety of sensing and sensor applications, such as:

• Agriculture - Measure oxygen content of soil, determination of chlorophyll by fluorescence measurements

• Astronomy - Measuring the spectrum of stars, planets and comets

• Automobile Industry - Measure in-line low concentration of water contamination in oil, measure coating on car glass windows

• Biology - To measure chlorophyll concentration and UV absorption, measuring color change and sexual behavior of fish under influence of sunlight

• Biotechnology - Measuring survival of microorganism’s population after high UV pulsed light emission.

• Chemistry - Determination of Phosphates in burning processes, endpoint detection in crystallization processes, measuring oxygen concentration of gases

• Coating Industry - Measure layer thickness of optically transparent coatings

• Colorimetry - Color determination of plastics, textile, food, paints, birds, fish, lizards

• Construction - Measuring gas content of isolated double glass windows by high-energy spark light emission.

• Cosmetics - Measuring color of lipstick, nail polish and hair dye.

• Dairy industry - measuring color of milk products and yogurts, measuring consistency of cheese during fabrication process.

• Dental - Measuring the color of teeth and spectral analysis of residuals in gums.

• Dermatology - Measuring UV Absorption of the skin in correlation with UV protection of digested carotenoids. Determination of penetration of chemicals through the skin into the blood stream.

• Environmental - Water quality measurement (chlorine/nitrate) with deep UV absorption, measuring pH of seawater

• Film Industry - Controlling the color of thermo graphic films and lightning

• Food - Measure water content of tomatoes, potatoes, measure sweetness of carrots and tomatoes, measure origin of olive oil. Determination of soluable solids in apples, kiwifruit and peach, using NIR spectroscopy. Determination of odor and flavor of white wine. Detecting color change in ripening process of bananas. Measuring color change of meat during cooking process

• Gas Chromatography - UV absorption and gas detection

• Gemmology - Value determination of diamonds (synthetic/natural) by measuring absorption peaks, measure color of diamonds and other gemstones. Determination of authenticity of gemstones, using Raman spectroscopy.

• LCD industry - Measure transmission, retardance, twist angle, thickness and other optical properties of thin films

• Light Industry - Measure Laser diodes and LED’s characteristics, measure irradiance values of light bulbs and UV-light sources, used for water purification

• Medical - Measure hemoglobin, cytochromes and - carotene non-invasively, measure CO2 and HbO2 in the heart to monitor myocardial ischemia during bypass operations. Measure oxygen consumption of tumors. Fluorescence measurements for cancer diagnosis

• Military - Identify color of smoke screens, transmission and illumination measurement on night vision devices

• Narcotics - Identification of drugs with Raman spectroscopy

• Nuclear Industry - To determine fluorescence in an active nuclear reactor

• Optical Filters - Quality control to determine absorption and transmission properties of interference filters

• Painting Industry - In-line measurement of color during color mixing process

• Paper Industry - Measure color/whiteness of paper, humidity determination of pulp.

• Particle Size analysis of cancer cells

• Pharmaceutical - Determination of bacteria concentration in fermentors, endpoint detection in crystallization processes.

• Plasma Etching - Layer thickness measurement

• Printing Industry - Color determination of ink, spectral measurement of high-power UV light sources for drying printing ink.

• Pyrometry - measuring temperature of turbine blades in electrical power plants

• Radiometry - measuring energy spectrum of light sources and the sun

• Raman Spectroscopy - Analysis of compounds in organic chemistry

• Semiconductor Industry - Layer thickness measurement and mapping of wafers

• Sun Glasses Industry - Measuring UVA, UVB, and UVC absorbance of sunglasses.

• Textile Industry - Measuring colors

For some of the applications a typical setup and more detailed information are given in the following paragraphs.

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