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Showing episodes and shows of
Peter Beyersdorf
Shows
Laser Spectroscopy Podcast
Laser frequency stabilization
We look at sources of laser frequency noise and discuss feedback techniques using a reference cavity or a molecular transition to stabilize the laser frequency.
2009-12-01
00 min
Laser Spectroscopy Podcast
Ultrafast Spectroscopy
We look at pump probe methods using ultrafast pulses for high temporal resolution experiments.
2009-11-19
00 min
Laser Spectroscopy Podcast
Short Pulse Generation
We look at transient effects in laser gain material, -switching and mode locking as methods to get short pulses.
2009-11-17
00 min
Laser Spectroscopy Podcast
Raman Scattering
Podcsat from 2008 of lecture on Raman spectroscopy. This is in place of the 11/9 lecture given about Raman spectroscopy, for which the audio didn't record properly.
2009-11-10
00 min
Laser Spectroscopy Podcast
Stimulated Raman Spectroscopy
Podcsat from 2008 of lecture on stimulated Raman scattering. This content was not covered in class this semester. This is for your interest only and will not be covered on exams.
2009-11-10
00 min
Laser Spectroscopy Podcast
Nonlinear Spectroscopy
We look at how saturation causes hole burning in a spectral line, and measurement techniques such as lamb-dip spectroscopy and intermodulated fluorescence that can take advantage of this for doppler-free measurements.
2009-11-05
00 min
Laser Spectroscopy Podcast
Emission Spectroscopy
We look at basic methods of emission spectroscopy including laser induced fluorescence, resonant enhanced multi-photon emission (REMPI), intermodulated fluorescence and stimulated emission pumping.
2009-10-29
00 min
Laser Spectroscopy Podcast
Absorption Spectroscopy
WE look at basic techniques of absorption spectroscopy including direct detection, frequency modulation, intracavity absorption and cavity ringdown spectroscopy.
2009-10-27
00 min
Laser Spectroscopy Podcast
spectral line profiles
We look at how the natural lifetime of an energy level produces a Lorentzian line profile and how the natural linewidth can be broadened by Doppler broadening, pressure broadening, transit time broadening and saturation broadening.
2009-10-22
00 min
Laser Spectroscopy Podcast
Interferometers
We look at how interferometers can be used to measure wanelength.
2009-10-13
00 min
Laser Spectroscopy Podcast
Spectrometer Operation
We look at the principles of operation of prism spectrometers and grating spectrometers and discuss operating characteristics (speed, resolving power, spectral transmission and free spectral range).
2009-10-08
00 min
Physics 50 example problems
14-51 Tube of Mercury-fluid mechanics
For a tube containing mercury and water, find the difference in height of the mercury and water using Pascal's law
2006-11-15
00 min
Physics 50 example problems
14-47 Mass of a Planet-fluid mechanics
Given some measurements of the pressure in a fluid taken on the surface of an unknown planet, use Pascal's law and the universal law of gravitation to find the mass of the planet.
2006-11-15
00 min
Physics 50 example problems
14-37 Airplane Wing-fluid mechanics
Use Bernoulli's Equation to find the force on an airplane wing and then find the net force acting on the airplane.
2006-11-15
00 min
Physics 50 example problems
14-29 Shower Head-fluid mechanics
Use the continuity equation to find the exit velocity for water in a shower head
2006-11-15
00 min
Physics 50 example problems
14-25 Wood Floating in Oil-fluid mechanics
For a block of wood floating on top of a layer of water and below a layer of oil, find its mass and density given how high it is floating
2006-11-15
00 min
Physics 50 example problems
14-7 Gauge Pressure-fluid mechanics
Determine the gauge pressure at a given distance below the surface of a fluid using Pascal's law
2006-11-15
00 min
Physics 50 example problems
14-3 Density of Gold-fluid mechanics
Find the density of a piece of metal given its mass and volume. Is the metal gold?
2006-11-15
00 min
Physics 50 example problems
13-33 Cheese on a Spring-simple harmonic motion
For a piece of cheese oscillating on the end of a spring, find out how far the spring will be stretched when the oscillations stop.
2006-11-10
00 min
Physics 50 example problems
12-9 Gravitational Force Acting on the Moon-gravitation
Find the gravitational force acting on the moon from the Earth and Sun for moon at three different points in the lunar orbit
2006-11-10
00 min
Physics 50 example problems
11-13 Beam in Equilibrium-equilibrium
Find the tension in ropes holding up a beam in equilibrium.
2006-11-06
00 min
Physics 50 example problems
10-63 Block and Cylinder-dynamics of rotational motion
Find the acceleration of a block on a plane that is attached to a rotating cylinder which has non-negligible moment of inertia
2006-10-25
00 min
Physics 50 example problems
10-47 Gyroscope-dynamics of rotational motion
Determine the direction that a gyroscope precesses
2006-10-25
00 min
Physics 50 example problems
10-33 Power of a Motor-dynamics of rotational motion
Determine the lifting capacity of a motor with a given power and rotation rate
2006-10-25
00 min
Physics 50 example problems
10-19 Falling Yo Yo-dynamics of rotational motion
Find the acceleration of a falling yo-yo and the tension in the string as it falls
2006-10-25
00 min
Physics 50 example problems
10-7 Frictional Torque-dynamics of rotational motion
Find the frictional torque necessary to slow a spinning object a given amount in a given time
2006-10-25
00 min
Physics 50 example problems
10-3 Calculating Torque-dynamics of rotational motion
Find the torque exerted on an object by each of three different forces
2006-10-25
00 min
Physics 50 example problems
10-1 Calculating Torque-dynamics of angular motion
Find the torque that a force exerts on a wrench for six different configurations
2006-10-25
00 min
Physics 50 example problems
9-100 Moment of Inertia of a Cone-rotation of rigid bodies
Calculate the moment of inertia for a cone.
2006-10-17
00 min
Physics 50 example problems
9-85 Pulley With Inertia-rotation of rigid bodies
Solve for the speed of a falling block that must pull another block and spin a pulley that has inertia.
2006-10-17
00 min
Physics 50 example problems
9-63 Speedometer-rotation of rigid bodies
Relate the linear velocity of a car to the angular velocity of the axle as read by the speedometer
2006-10-17
00 min
Physics 50 example problems
9-52 Parallel Axis Theorem for a Wheel-rotation of rigid bodies
Use the parallel axis theorem to find the moment of inertia for a wheel rotating about a point on its rim.
2006-10-17
00 min
Physics 50 example problems
9-41 Moment of Inertia of a Wagon Wheel-rotation of rigid bodies
Find the moment of inertia for a wagon wheel given the size and shape of its components.
2006-10-17
00 min
Physics 50 example problems
9-37 Moment of Inertia of a Distribution of Masses-rotation of rigid bodies
Find the moment of inertia for a distribution of masses.
2006-10-17
00 min
Physics 50 example problems
9-29 Drill Speed-rotation of rigid bodies
Determine the linear acceleration of a point on the edge of a drill bit, given its angular velocity.
2006-10-17
00 min
Physics 50 example problems
9-21 Helicopter Rotor Blades-rotation of rigid bodies
Relate the parameters of angular motion for a helicopter rotor blade to the parameters of linear motion for a point on the tip of the blade.
2006-10-17
00 min
Physics 50 example problems
9-9 Rotating Flywheel-rotation of rigid bodies
Calculate the change in the angular velocity and angular displacement of a flywheel that is slowing down due to friction
2006-10-17
00 min
Physics 50 example problems
9-5 Instantaneous Angular Velocity-rotation of rigid bodies
Relate an expression for the angular displacement of a merry-go-round to its angular velocity and angular acceleration
2006-10-17
00 min
Physics 50 example problems
9-1 Angles and Arc Lengths-rotation of rigid bodies
Relate an angle to arc lengths subtended by the angle
2006-10-17
00 min
Physics 50 example problems
8-45 Center of Mass-momentum and collisions
Determine the center of mass of an object
2006-10-11
00 min
Physics 50 example problems
8-39 Head on Elastic Collision-momentum and collisions
Find the velocity of a ball after a head-on elastic collision
2006-10-11
00 min
Physics 50 example problems
8-35 Speed of a Bullet-momentum and collisions
Find the speed of a bullet by using the work-energy theorem and conservation of momentum during a collision with a block
2006-10-11
00 min
Physics 50 example problems
8-27 Collision of Two Pucks-momentum and collisions
Find the velocity of a puck after collision with another puck
2006-10-11
00 min
Physics 50 example problems
8-19 Compressed Spring-momentum and collisions
Find the velocities of two masses after they are launched by a spring
2006-10-11
00 min
Physics 50 example problems
8-17 Hip Check-momentum and collisions
Find the velocity of a hockey player after being hip-checked
2006-10-11
00 min
Physics 50 example problems
8-1 Momentum of a Truck-momentum and collisions
Find the momentum of a moving truck
2006-10-11
00 min
Physics 50 example problems
Gas Guzzling-work, energy, and power
Solutions to Homework 7 - Gas Guzzling
2006-10-10
00 min
Physics 50 example problems
Midterm 2 Solutions-fall 2006
Solutions to midterm #2
2006-10-05
00 min
Physics 50 example problems
Homework 6 - Design Your Own Rollercoaster - solutions
Solutions to the homework where you were asked about the parameters of a rollercoaster
2006-10-03
00 min
Physics 50 example problems
7-76 Minimum Speed of a Moving Block-conservation of energy
Find the angle of a ramp that causes a block sliding up the ramp to have the minimum speed after sliding a certain distance
2006-09-27
00 min
Physics 50 example problems
7-51 Bungee Jump-conservation of energy
Find the parameters of a bungee cord necessary for a given bungee jump
2006-09-27
00 min
Physics 50 example problems
7-46 Roller Coaster Loop-conservation of energy
Find the minimum height of a roller-coaster hill for the coaster to go over a loop successfully.
2006-09-27
00 min
Physics 50 example problems
7-41 Legal Physics-work and energy
Find the speed a car was traveling given the length of the skid marks it left when it stopped.
2006-09-27
00 min
Physics 50 example problems
7-33 Energy Diagram for Hydrogen-work and energy
Find the force on a particle from the energy diagram. Is it attractive or repulsive?
2006-09-27
00 min
Physics 50 example problems
7-29 Friction on a Book-work and energy
Check if friction is a conservative force or not by determining the work it does when a book sliding on a table moves in a closed path
2006-09-27
00 min
Physics 50 example problems
7-15 Energy in a Spring-work and energy
Find the energy stored in a spring when it is stretched or compressed
2006-09-27
00 min
Physics 50 example problems
7-2 Lifting a Sack of Sugar-work and energy
Find the force necessary to lift a sack of sugar. Find the work done.
2006-09-27
00 min
Physics 50 example problems
6-45 a Tandem Bike-work and energy
Find the power necessary to ride a bike at a given speed
2006-09-27
00 min
Physics 50 example problems
6-33 Compressing a Spring-work and energy
Find the work necessary to compress or stretch a spring
2006-09-27
00 min
Physics 50 example problems
6-14 Throwing a Rock-work and energy
Find the initial speed and eventual height of a thrown rock using the work energy theorem
2006-09-27
00 min
Physics 50 example problems
6-3 Reeling in a Fish-work and energy
Find the work done reeling in a fish
2006-09-27
00 min
Physics 50 example problems
HW 5 Rides and Elevators-application of newtons laws
Solutions to Homework 5 - rides and elevators
2006-09-26
00 min
Physics 50 example problems
Atwoods Machine-application of newtons laws
We look at the behavior of an elevator system known as Atwood's machine that consists of two masses held by a rope that goes over a pulley.
2006-09-22
00 min
Physics 50 example problems
5-85 Blocks and Pulleys-application of newtons laws
We find the acceleration of a pair of blocks that are connected to each other by a rope and a system of pulleys,
2006-09-20
00 min
Physics 50 example problems
5-43 Swinging Stone-application of newtons laws
We find the maximum speed a stone can be swung at when it is on the end of a rope before that rope breaks
2006-09-20
00 min
Physics 50 example problems
5-30 Cat on a Block-application of newtons laws
We find the acceleration of a block being pulled along a table by a rope and before and after a cat jumps onto the block
2006-09-20
00 min
Physics 50 example problems
5-21 Free Body Diagrams of Blocks-application of newtons laws
We draw the free body diagrams for two blocks on an incline connected by a rope over a pulley
2006-09-20
00 min
Physics 50 example problems
5-19 Apparent Weight-application of newtons laws
Find the acceleration of an elevator necessary for a passenger to have an apparent weight that differs from her actual weight
2006-09-20
00 min
Physics 50 example problems
5-13 Tethered Blocks-application of newtons laws
Find the tension in two ropes that keep two blocks from sliding down an inclined plane
2006-09-20
00 min
Physics 50 example problems
5-7 Wrecking Ball in Equilibrium-application of newtons laws
Find the tension in the cables necessary to hold a wrecking ball in equilibrium
2006-09-20
00 min
Physics 50 example problems
5-3 Hanging From a Rope-application of newtons laws
A person is hanging from a rope, what is the tension in the rope as a function of the deflection angle
2006-09-20
00 min
Physics 50 example problems
HW 4 solutions - Highway of Perilous Death-circular motion
We look at how much a road must be banked for a car to accelerate around a turn without the aid of friction
2006-09-19
00 min
Physics 50 example problems
Midterm 1 Solutions-fall 2006
Solutions to Midterm 1 on kinematics
2006-09-15
00 min
Physics 50 example problems
4-28 Tow Rope-newons laws
Find the tension in a tow rope necessary to pull a skier up a ski slope.
2006-09-13
00 min
Physics 50 example problems
4-25 Pendulum on a Train-newtons laws
Find the force responsible for accelerating a pendulum bob in an accelerating train car
2006-09-13
00 min
Physics 50 example problems
4-23 Acceleration of the Earth-newtons laws
Calculate the acceleration that the Earth feels due to the reaction force of the weight of a person.
2006-09-13
00 min
Physics 50 example problems
4-22 Woman in Elevator-newtons laws
Find the reaction forces for the forces that act on a woman in an accelerating elevator
2006-09-13
00 min
Physics 50 example problems
4-9 Box on Ice-newtons laws
What is the mass of a box given its acceleration when pushed on by a given force?
2006-09-13
00 min
Physics 50 example problems
4-4 Block on a Plane-newtons laws
How hard must you pull on a rope to get a block to slide up a plane?
2006-09-13
00 min
Physics 50 example problems
Human Trebuchet-projectile motion
Solution to homework 3 - The Human Trebuchet
2006-09-12
00 min
Physics 50 example problems
3-21 Carnival Game-projectile motion
Determine how high a target needs to be in order to be hit.
2006-09-06
00 min
Physics 50 example problems
3-12 Jumping Off a Cliff-projectile motion
Calculate the necessary initial velocity for the cliff diver to avoid the ledge below
2006-09-06
00 min
Physics 50 example problems
HW2 San Jose Grand Prix-1d kinematics
Using information provided about the SAn Jose Grand Prix find the acceleration and other parameters for the race cars.
2006-09-05
00 min
Physics 50 example problems
2-95 Catching the Bus-1D kinematics
Use the equations of motion in 1 dimension to figure out how fast you need to run to catch a bus that is accelerating away from a nearby bus stop
2006-08-31
00 min
Physics 50 example problems
2-45 Throwing a Water Balloon-1d kinematics
USe the equations of motion in 1D to find the parameters of motion for a water balloon thrown from the roof of a building
2006-08-31
00 min
Physics 50 example problems
2-39 Jumping Flea-1d kinematics
USe the equations of motion in 1D to analyze the trajectory of a flea in free fall after jumping
2006-08-31
00 min
Physics 50 example problems
2-33 Trip to the Moon-1d kinematics
Find the time to travel to the moon using some given values and the equations of motion in 1 dimension
2006-08-31
00 min
Physics 50 example problems
2-27 Acceleration of a Car-1D motion with constant acceleration
Use the equations of motion in 1D to find the acceleration of a car
2006-08-31
00 min
Physics 50 example problems
2-23 Automobile Airbags-1d kinematics
Use the equations of motion in 1D to analyze a car crash
2006-08-31
00 min
Physics 50 example problems
2-21 Running Antelope-1d kinematics
Use the equations of motion in 1D to find the acceleration of an antelope
2006-08-31
00 min
Physics 50 example problems
2-19 Spider Crawl-1d kinematics
Relate the parameters of motion to a graph of displacement versus time
2006-08-31
00 min
Physics 50 example problems
HW1 The Flying Fox-vector manipulation
The method for the solution to homework 1 is presented. A written solution and the full set of answers are available in a PDF document in the handouts podcast.
2006-08-31
00 min
Physics 50 example problems
1-12 Percent Error in a Year-unit conversion
We practice unit conversion by finding the number of seconds in a year and then find the percent error in a simple estimate of this number
2006-08-23
00 min
Physics 50 example problems
1-7 Speed of the Concorde-unit conversion
We show how to convert units from miles per hour to kilometers per hour and meters per second
2006-08-23
00 min
Physics 50 example problems
1-54 Vector Cross Products-vector review
We practice taking the cross product (also called the vector product) of vectors. We use both the method of the determinate and the right hand rule.
2006-08-21
00 min
Physics 50 example problems
1-50 Vector Dot Products-vector review
We practice taking the dot product (also called the scalar product) of vectors
2006-08-21
00 min
Physics 50 example problems
1-39 Vector Addition by Components-vector review
We practice adding vectors by adding their components
2006-08-21
00 min
Physics 50 example problems
1-32 Graphical Addition of Vectors-vector review
We show how to use a ruler and protractor to estimate the sum of vectors
2006-08-21
00 min
Physics 50 example problems
1-97 The Big Dipper-vector manipulation
Problem 1.97 from the textbook - Given the location of two stars in the big dipper relative to the Earth, where would the Earth appear from the perspective of one of the stars?
2006-08-12
00 min
Physics 50 example problems
Vector Example-Vector Components
We break a vector into its x and y components, then we consider an example where the components of the vector we are interested are inclined at an angle
2006-08-12
00 min