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The following is a standard problem found in many textbooks:
Problem: Using a mixture of CO2, N2, and sometimes He, CO2 lasers emit a wavelength of 10.5 µm. At power outputs of 0.110 kW, such lasers are used for surgery.
A- How many photons per second does a CO2 laser deliver to the tissue during its use in an operation?
Show all work, use additional paper if necessary.
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