Mini-Quiz: Basics of Electro-Optics

1. What type of electromagnetic radiation is not created electro-optically?

   Light from a fireThat is correct. You look like a Champion. Light from a laserSorry, not correct. Try another button. Anything invisibleGood try, but not right. Select another answer.

2. Why aren't glass lenses used in infrared systems?

   Glass is too expensive to useSorry, not correct. Try another button. Legal ramifications prevent the use of glass for safety reasonsOops! Wrong answer. Re-read the question and try again. Most glass is opaque to infraredCorrect. You are getting better.

3. Why isn't the use of photographic film consider part of electro-optics?

   Detection is through chemical reactions and not electricalThat is correct. You look like a Champion. It is part of electro-optics with the new digital camerasGood try, but not right. Select another answer. Image creation is not part of electro-opticsOops! Wrong answer. Re-read the question and try again.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.