Week10 - This week Please hand in lab report for lab 4 HW6 due next class Today we start lab 5 Slides from how things work by Louis Bloomfield

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
This week Please hand in lab report for lab 4 HW6 due next class Today we start lab 5 Slides from “how things work” by Louis Bloomfield
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Appendix from Brett’s lab Also, is the formula I give for beats of two waves really allowed?
Background image of page 2
Slide on why you should compare lambda_ave and Delta lamba to data instead of lambda_1 and lambda_2. Soemthing about correlation matrices
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
Head moves at 1.2 m/s to 1.4 m/s Total length of ridges is 5.379 km. Tracks are separated by 100 nm
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Optics
Background image of page 6
On cd, ridges are 110nmx500nmx833-3560 nm Laser is 780 nm in air, 503 in plastic (n=1.55) Path length in plastic for ridge is 220 nm -> destructive interference. Low reflectivity -> ridge
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Optics
Background image of page 8
Very sensitive to height of lens above disk Laser spot : 0.8 mm at top surface. 1000 nm at metal (due to converging lens) -> height of converging lens very important!
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Diffraction grating -> produces side beams used for tracking Polarization splitter. Aligned with polarization of the (100% linearly polarized) diode. Passes it through.
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/29/2011 for the course PHYSICS 375 taught by Professor Eno during the Spring '11 term at Maryland.

Page1 / 13

Week10 - This week Please hand in lab report for lab 4 HW6 due next class Today we start lab 5 Slides from how things work by Louis Bloomfield

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online