Lasers and Active Medium
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Questions and Answers

What type of material can be used as an active medium in a laser?

  • Solid crystals like ruby or Nd:YAG (correct)
  • Superfluids like liquid nitrogen
  • Insulators like wood
  • Metals like copper
  • What is the purpose of the high reflectance mirror in a laser?

  • To refract the laser light
  • To transmit the laser light
  • To absorb the laser light
  • To reflect the laser light back into the active medium (correct)
  • What is the state of the electrons in the active medium after being excited by an energy source?

  • Meta-stable energy level (correct)
  • Thermal equilibrium
  • Ionized state
  • Ground state
  • How do excitation mechanisms pump energy into the active medium?

    <p>By one or more of three basic methods: optical, electrical, or chemical</p> Signup and view all the answers

    What is the primary difference between a high reflectance mirror and a partially transmissive mirror?

    <p>Their reflectance percentage</p> Signup and view all the answers

    A patient who is legally unable to make decisions is classified as having

    <p>InFcomEpeteEnce</p> Signup and view all the answers

    What is the primary reason a patient may be classified as a threat to self or others?

    <p>Psychiatric settings</p> Signup and view all the answers

    A patient who is clinically determined to be unable to make rational decisions is classified as having

    <p>Incapacity</p> Signup and view all the answers

    What is the intellectual capacity to understand, analyze, and judge information?

    <p>M¡ Competence</p> Signup and view all the answers

    What is the primary difference between Incompetence and Incapacity?

    <p>Legal vs. Clinical Determination</p> Signup and view all the answers

    Study Notes

    • Incompetence refers to a patient's legal inability to make decisions, often due to conditions such as Dementia, mental retardation, or intellectual disabilities.

    Types of Decision-Making Incapacity

    • Incapacity occurs when a patient is clinically determined to be unable to make rational decisions, which can be caused by factors such as:
      • Lack of consciousness
      • Delirium
      • Psychosis

    Threat to Self or Others

    • In psychiatric settings, a patient may be deemed a threat to themselves or others, which can impact their decision-making capacity.

    Competence in Decision-Making

    • Competence refers to a patient's intellectual capacity to:
      • Understand information
      • Analyze information
      • Judge information

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    Description

    This quiz covers the basics of lasers, including the active medium, excitation mechanisms, and mirrors. Learn about the different types of active mediums, how energy is pumped into the medium, and the role of high reflectance mirrors.

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