• 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

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

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

• Raman Spectroscopy - Analyis of compounds in organic chemistry.etc