LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping...

Question

Question

Part A Problem 15.35 What is the power of one laser pulse? LASIK eye surgery uses pulses of laser light to Express your answer to two significant figures and include the appropriate units. shave off tissue from the cornea, reshaping it A typical LASIK laser emits a 1.0-mm-diameter laser beam with a wavelength of 193 Each laser pulse lasts 12 ns and contains 1.8 mJ of light energy P- 150 KW Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining Part B During the very brief time of the pulse, what is the intensity of the light wave? Express your answer to two significant figures and include the appropriate units, 11.33 m I- Submit My Answers Give Up Incorrect: Try Again; 4 attempts remaining A: Here, radius r 1/2 mm 0.5 mm energy 15 mJ time t m 14 n See answer E

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

lan w nim es (9% 어 1 7 17 1 7 enル· .laanv m lae L7 0,33 5 。 Name of Experiment. Date Page N Experiment No Experiment Result …… Ahea AAc-a--ニオん b my -: 丁

Add a comment

Answer 2

Similar Homework Help Questions

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping...

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.0-mm-diameter laser beam with a wavelength of 193 nm. Each laser pulse lasts 10 ns and contains 2.0 mJ of light energy. Part A) What is the power of one laser pulse? Express your answer with the appropriate units. Part B) During the very brief time of the pulse, what is the intensity of the light wave?...
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping...

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.0-mm-diameter laser beam with a wavelength of 193 nm. Each laser pulse lasts 11 ns and contains 1.3 mJ of light energy. What is the power of one laser pulse? During the very brief time of the pulse, what is the intensity of the light wave?
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping...

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.0-mm-diameter laser beam with a wavelength of 193 nm. Each laser pulse lasts 20ns and contains 1.7mJ of light energy. What is the power of one laser pulse? During the very brief time of the pulse, what is the intensity of the light wave?

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.0-mm-diameter laser beam with a wavelength of 193 nm. Each laser pulse lasts 10 ns and contains 1.0 m.J of light energy. You may want to review (Pages 484 - 485) . Part A What is the power of one laser pulse? Part B During the very brief time of the pulse, what is the intensity of the light wave?
PROBLEM 2–The wavelength of the laser light used in LASIK ophthalmic surgery is 193 nm. However,...

PROBLEM 2–The wavelength of the laser light used in LASIK ophthalmic surgery is 193 nm. However, the light is sent onto the eye in short bursts, or pulses, rather than as a continuous beam. Each burst of light incident upon the eye lasts only 10 ns. How many full oscillations of the wave are in each pulse?
A LASIK vision correction system uses a laser that emits 11 ns -long pulses of light

A LASIK vision correction system uses a laser that emits 11 ns -long pulses of light, each with 3.5 mJ of energy. The laser is focused to a 0.90 mm -diameter circle.Part A What is the average power of each laser pulse?Part B What is the intensity of the laser light at the focus point? Part CSubmit Part What is the peak electric field strength of the laser light at the focus point? Part D What is the peak magnetic field strength of the...

(60) 2. The Nd:YAG laser is used in eye surgery called posteriour capsulotomy, following cataract surgery,...

(60) 2. The Nd:YAG laser is used in eye surgery called posteriour capsulotomy, following cataract surgery, to correct cloudiness that affects vision. The laser emits light with a wavelength of 1064 nanometers (nm) in the infrared region of the electro-magnetic spectrum. Each laser pulse has 40.5 J of energy, contains many photons, and the pulse lasts for 30.5 nanoseconds (ns). (15) 2a. Determine the frequency of the 1064 nm Nd:YAG light. (15) 2b. Determine the energy of each photon (J/photon)...
In laser eye surgery, the laser emits a 1.49-nspulse focused on a spot that is 33.0...

In laser eye surgery, the laser emits a 1.49-nspulse focused on a spot that is 33.0 μm in diameter. Part A If the energy contained in the pulse is 2.85 mJ, what is the power per square meter (the irradiance) associated with this beam? Express your answer to three significant figures. I = W/m2 Part B Suppose a molecule with a diameter of 0.500 nm is irradiated by the laser beam. How much energy does the molecule receive in one...
A laser used in eye surgery emits a 2.20-mJ pulse in 1.00 ns, focused to a...

A laser used in eye surgery emits a 2.20-mJ pulse in 1.00 ns, focused to a spot 45.0 µm in diameter on the retina. (a) Find (in SI units) the power per unit area at the retina. (This quantity is called the irradiance.) W/m2 (b) What energy is delivered per pulse to an area of molecular size (say, a circular area 0.400 nm in diameter)? J

Pulsed lasers used in science and medicine produce very short bursts of electromagnetic energy. If the...

Pulsed lasers used in science and medicine produce very short bursts of electromagnetic energy. If the laser light wavelength is 1062 nm (Neodymium-YAG laser), and the pulse lasts for 35 picoseconds, how many wavelengths are found within the laser pulse? Assume that the wave travels in free space. Express your answer using two significant figures. How brief would the pulse need to be to fit only one wavelength? Express your answer to three significant figures and include the appropriate units.

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping...

Homework Answers