FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

4. Pairs of quarter-wavelength thin-films formed by zirconium oxide (n=2.1) and magnesium fluoride (n=1.38) are used to make a mirror reflecting back into air (n=1)

image text in transcribed

4. Pairs of quarter-wavelength thin-films formed by zirconium oxide (n=2.1) and magnesium fluoride (n=1.38) are used to make a mirror reflecting back into air (n=1) with >99.94% reflectivity at 1550nm wavelength on a sapphire substrate (n=1.76). What is the minimum number of pairs of thin films needed to achieve the desired reflectivity? [10 marks ](0=8.8541012F/m;0=1.2566106H/m)

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Introduction To Chemical Engineering Thermodynamics

Introduction To Chemical Engineering Thermodynamics

Authors: Hendrick C. Ness, H.C.Van, Van Ness

4th International Edition

0071003037, 978-0071003032

More Books

Students also viewed these Chemical Engineering questions

Question

(1) Design a full lk p factorial experiment for the kp variables. These kp variables are called the independent or basic variables. Pg45

Answered: 1 week ago

Question

★★★★★
Minelli Enterprises uses large amounts of copper in the manufacture of ceiling fans. The firm has been very concerned about the detrimental impact of rising copper prices on its earnings and has...

Answered: 1 week ago

Question

★★★★★
Does the multi - threaded web server described in Section 4 . 1 exhibit task or data parallelism?

Answered: 1 week ago

Question

★★★★★
A no-load mutual fund has $400 million in assets and 10 million shares at the start of the year, and $450 million in assets and 11 million shares at the end of the year. During the year investors...

Answered: 1 week ago

Question

★★★★★
You own a real estate development/home construction company. Differentiate competitive (business-level) strategies and corporate-level strategies used at your company. In particular, what generic...

Answered: 1 week ago

Question

★★★★★
2, answer asap QUESTION 2 Calculate the productivity of the following operation: A local IT company of 100 employees is trying to understand their productivity in order to re-negotiate their current...

Answered: 1 week ago

Question

★★★★★
10. What is meant by a feed rate?

Answered: 1 week ago

Question

★★★★★
While most people acknowledge accounting as an essential part of the business world, accounting also incorporates skills that are used regularly in daily life. In this post, please identify at least...

Answered: 1 week ago

Question

★★★★★
Suppose that there are only three types of consumers and consider a one period insurance choice problem in which there is only one health plan, and it offers full insurance. Expected cost to the...

Answered: 1 week ago

Question

★★★★★
3. Should employees be able to take as much time off work as they want?

Answered: 1 week ago

Question

★★★★★
2. What are the differences between an employee, worker and self-employed person?

Answered: 1 week ago

Question

★★★★★
understand the issues to be considered when an employee leaves an organisation.

Answered: 1 week ago

Previous Question Next Question