To reflect some of the light back into the active medium, usually it is done by placing the active medium
between two reflecting surfaces. What is the space between two reflecting surfaces called?
a.hot zone
b.reaction chamber
c.reflector
d.cavity
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Mrs. Pearce represents the traditional, motherly, lower-class (we're talking socioeconomic class, here) voice. She has another perspective on the problems of being a woman, one more closely related to Eliza's original situation in life, and it comes as no surprise that she wants to protect the girl.
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Option “D” is correct i.e., cavity.
• The space between two reflecting surfaces is known as a cavity.
• A laser cavity is a means of optical confinement planned to rise the gain length of radiation before emission from the device.
• High light strengths arise within a laser cavity
• Cavity loss not only regulates the verge condition of laser emission, but it is also associated with numerous properties of the laser output
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