# H-mode, Bragg diffraction from a surface relief, square wave grating whose groove width occupies…

H-mode, Bragg diffraction from a surface relief, square wave
grating whose groove width occupies two-thirds of the grating period is to be
analyzed. Figure 5.10 illustrates a surface relief, square wave grating whose
groove width occupies half of the grating period. This problem concerns
studying the effect of changing groove width on diffraction efficiency when the
square wave grating is illuminated at the Bragg angle. The Bragg angle for this
problem is _i = _iB = 30°.

(a) Using the RCWA full-field formulation of Section 5.2.1,
calculate numerically for the geometry and numerical values
»

H-mode, Bragg diffraction from a surface relief, square wave
grating whose groove width occupies two-thirds of the grating period is to be
analyzed. Figure 5.10 illustrates a surface relief, square wave grating whose
groove width occupies half of the grating period. This problem concerns
studying the effect of changing groove width on diffraction efficiency when the
square wave grating is illuminated at the Bragg angle. The Bragg angle for this
problem is _i = _iB = 30°.

(a) Using the RCWA full-field formulation of Section 5.2.1,
calculate numerically for the geometry and numerical values of Figure 5.10 (1)
the i = _1, 0, 1 order, transmitted diffraction efficiencies of
this figure and (2) the i = 0 reflected diffraction efficiency. This
calculation is to be carried out to ensure that your diffraction efficiency
algorithm is working correctly. The i = 0 reflected diffraction
efficiency is presented in Ref. [19, Fig. 5].

(b) Calculate using the RCWA full-field formulation of
Section 5.3.1, the order i = 0,1 transmitted diffraction efficiencies
for an incidence of angle _i = 30° when the groove width
occupies 60% of the grating period.

(c) Make comparison plots of the transmitted diffraction
efficiencies as calculated in (a) and (b).

(d) Comment on the effect that groove width has on
diffraction from the gratings described in (a) and (b).

(e) In your solution of (a) and (b), be sure to check
numerically that the conservation of power holds to a high degree of accuracy.

»

## Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
\$26
The price is based on these factors:
Number of pages
Urgency
Basic features
• Free title page and bibliography
• Unlimited revisions
• Plagiarism-free guarantee
• Money-back guarantee
On-demand options
• Writer’s samples
• Part-by-part delivery
• Overnight delivery
• Copies of used sources
Paper format
• 275 words per page
• 12 pt Arial/Times New Roman
• Double line spacing
• Any citation style (APA, MLA, Chicago/Turabian, Harvard)

# Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

### Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

### Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

### Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.