Explain Stereo Lithography and Two-photon Lithography technologies. a. Explain concepts/principles and give a comparison of the two technologies in terms of their limitations and capabilities. b. Please cite all figures and references used.

3. What are K,L and M lines you discovered in the Moseley's law experi- ment ? 4. What is the Duane Hunt maximum x-ray frequency of a excitation voltage V = 6kV ? 5. Draw a basic shape of the x-ray absorption spectrum of a generic element, denote the Band a lines along with Duane-Hunt cutoff

4. Briefly explain the motion of carriers in semiconductor materials (i) when there is no electricfield, (ii) when there is electric field, and (iii) when there is illumination.5. Briefly explain how the absorption coefficient and absorption depth change as a function ofwavelength in semiconductor materials. Briefly explain why the absorption coefficient increaseswith increasing photon energy for energies near the bandgap.

A green leaf has a surface area of 2.25 cm². Part A If solar radiation is 1000 W/m², how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation. Express the number of photons to three significant figures.

A monocrystalline silicon solar panel (active area: 1m2 )has an energy conversion efficiency of 20%. What is the power output when irradiance of 800 W/m2 is shining on the solar panel? a. 320 W. b. 80 W. c. 240 W. d. 160 W. e. 400 W.

Applied Optoelectronics Q.5, as Draw triple quantum well laser diode. ALso tell the method to improve P-T-N photodiode? Name that method. 6. bj How from Laser SOurce Can get digital ovtpo+?- Nam any 3 methods- we

A 362-nm wavelength photon strikes the metal surface with a work function of 1.52 eV. What is the maximum .inetic energy of the emitted electrons, KEmax? Give your answer to the nearest hundredth (0.01) eV. Do not give units in your answer. Your Answer: Answer Question 4 What is the energy of a photon of wavelength 237 nm? Give your answer to the nearest hundredth (0.01) eV. Do not give units in your answer. Your Answer: Answer

can you solve C please

Electrons are emitted when a metal is illuminated by light with a wavelength less than 383 nm. Part A What is the metal's work function? ΜΕ ΑΣΦ E = Submit Request Answer Provide Feedback ? eV

The photoelectric effect provided evidence that supported the early suggestion by Max Planck that electromagnetic waves exist as discrete packets of energy. a. Describe the energy transformations that occur during the photoelectric effect. b. If the incident light was not causing the emission of any electrons from the target metal, how could the light be changed to start causing emission of electrons? Explain your answer. c. Rather than changing the light source, explain why changing the target metal from part (c) may allow for the detection of emitted electrons.