New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here

Quantum Physics Res App

by: Hayley Jenkins

Quantum Physics Res App PHYS 404

Marketplace > College of William and Mary > Physics 2 > PHYS 404 > Quantum Physics Res App
Hayley Jenkins

GPA 3.66

Jan Chaloupka

Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

Jan Chaloupka
Class Notes
25 ?




Popular in Course

Popular in Physics 2

This 23 page Class Notes was uploaded by Hayley Jenkins on Thursday October 29, 2015. The Class Notes belongs to PHYS 404 at College of William and Mary taught by Jan Chaloupka in Fall. Since its upload, it has received 12 views. For similar materials see /class/231182/phys-404-college-of-william-and-mary in Physics 2 at College of William and Mary.


Reviews for Quantum Physics Res App


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 10/29/15
Laser Physics and Technology Prof Jan Cha ij upka College of William amp Mary 9 Williamsburg VA 221 392 a 39 unwed VSTGTe39s Par rircle 5 AcceleraTor Sc hdol Cornell University June 2024 2005 2005 marks The 100 rh anniversary of Eins rein39s mm5 mmblis Brownian Motion Pho39l39oelecfr39ic Effect Special ReloTiviTy WWWphySiCSZOOS39O g Before 1905 The deba re over The par ricle or wave na rure of ligh r raged bu r The wavelike behavior was clear Light as wi rh all waves can reflect beech uo and diffracf 2J2J24UpUD39quot Eins rein39s 1905 description of The pho foelecfr ic effec f i lus rr39a39red The quanfum nature of light PM excesa energy to e ectron l K hv 0 Work runcnon hv pnoton energy T pp er Modem Pnysrcs Key features of the photoelectric effect contradict the wave nature of light Low frequency light could not release an electron regardless of intensity There was no time delay between turning on the incident light and the release of electrons The energy of the liberated electrons did not change with an increase in the light intensity only the number Bu r light has a waveparticle duality shown elegantly by Feynman MOVABLE DETECTG 1 PI PI 2 7 E BACKSTOP Bu r light has a waveparticle duali ry shown elegan rly by Feynman P w 0 I I I I2 W6E SOURCE a 2 12 WAL ABSORBER Ih2 Ilalhh2 12 quot 2 I Bu r light has a waveparticle duali ry shown elegan rly by Feynman a W BACKSTOP pm M 52 Feynman considered This To be The only mysteryquot of quan rum mechanics click click click click click click OK so wha r do we need To make a LASER work Ligh39r Amplification by Stimulated Emission of Radiation In 1916 Ei ns rei n described The process of s rimulo red emission see Ml39ffelungen o er PhyskaI39schen ese scmff zone7 N0 18 1976 or39 Sources of QuonTum Mechanics B L Van Der39 Woer39den 1967 o gt o Ehhqklspon roneousemissionl s rimulo red emission Clearly you need stimulated emission but what else to make a working loser excitable medium capable of inversion R100 Rlt100 optical cavity to provide for gain along pump source a particular direction to drive inversion With leaky mlrror The Three componenTs are clearly seen wiThin a TiS oscillaTor39 opTi cal caviTy lasing medium power39 source The MASER was The first To Take advan39rage of stimulated emission erur mnuv m1an rum Molecular Microwave psememr and New 1 Hyper ne Structuxe m are Microwave Spectrum of mm 5 12254 Na perm 11 Golan x prpavxmmnw c Ilene ed my rncussER xermw more kvaLw vow an rum warm 5 ms The Maser New Type of Microwave Ampli er Frequency Standard and Spectrometelquot 1 p comm H 1 7mm m c H Tuwvs mum v y m m m m Ruthad Mey A 1055 a 7 kCse rm been aduevzd Operated rr m m a he nxdu of e scum MoTher NoTure has ocTuoIIy been mosing for years surely you re joking MASER MODEL FOR mTERsTELLAR OH MICROWAVE EMESION M M Litvak A L McWhorter M L Masks and H J Zeiger Lincoln Tmbommry Massachusetts institute of Technology Lexington Massachusetts measured 4 August was Recent observations quot oi laacm 0ll emission tram the direction of certain ii 11 regions have t n a number ul workersH to suggest that maser ampli cation is involved We will present a maser ampli er model based an ultraviolet E 3 is tinn We nd that sufficient gain is obtained n uy taanlt ol the uv radiation as it penetrates into the on cloud a process 5 the major antiinverting uv transitions 0m quota Mass men s hams th magma strongest and the 1512 and Him MHZ weakest Each transition exhibits several narrow Dop 39 1 kHz wide with some separated by 4412 min are irons bright centers 39 39 39 The antenna temlt peratures of most of the features are many times Hi m n tlnuum source and the brightness temperature an em 1M ma mamas swan a in Mutant A maser formed Through The inTeracTion beTween high energy sTar ghT and a nearby region rich in molecules The firsT was discovered in 1965 The condl Ions needed To produce an inTersTeIIar maser Tend To be found especially wiTh sTar forming regions and wiTh IaTe Type sTars ThaT are losing mass In 1958 Townes and Shawlow described The extension of The maser To op39rical wavelengths The Nobel Prize in Physics 1964 Aleklandr Nicolaal mummy ahemhergen Pruka Charla um may Tawnel liennadlvevlcll 5a m mm m Len um pun Len h xm bl a m when m We devd pmem seaw Vur mndamema vmrk mhe mmarlmv dedmmm men has Wed m We nsuHamrs and mum based an we memes a2 mgmesmmmn mm memmsmw H 300 3959 moltoouon 8 g nmo1 n urn Wu 6 a The wellknown fea rures of laser ligh r make if indispensable for some applica rions ille 1 have a single color monochroma ric or a r leas r has a much narrower spec rral wid rh rhan ligh r from conven rional sources Laser liqh r rends To 2 no r diverge be wellcollima red or a r leas r spreads much less rhan ordinary ligh r 3 be spa rially and remporally coheren r wha r does This mean and when does it ma r rer 4 may come in a pulse of very shor r remporal wid rh oops see 1 how can This be A coheren r collima red shor r pulse can be Tigh rly focused To genem re ex rreme in rensi ries Electric Field 11 Amplitude 5X10 Vm Intensity 35x1016 Wcm2 0


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Kyle Maynard Purdue

"When you're taking detailed notes and trying to help everyone else out in the class, it really helps you learn and understand the I made $280 on my first study guide!"

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.