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Instruction Manual

012-14266B

Zeeman Effect Experiment

Model SE-9654

Brolight Technology Co., Ltd

Содержание SE-9654

Страница 1: ...Instruction Manual 012 14266B Zeeman Effect Experiment Model SE 9654 Brolight Technology Co Ltd...

Страница 2: ...nd Information 5 Theory 5 Final Theory 8 Setup 10 Experiment Procedure 15 Data Recording 20 Measuring 20 Conclusions 30 Appendix A Intensity of Current A and Intensity of Magnetic Induction T 31 Appen...

Страница 3: ...terference Filter 1 5 Polarizing Filter 1 6 Collimating Lens 1 7 Tunable DC Constant Current Power Supply SE 9656 1 8 Electromagnet with Pole Shoes SE 9655 1 9 Pen Type Mercury Lamp 1 10 Connection Bl...

Страница 4: ...MAN EFFECT Flash Drive contains a Portable Document Format PDF file of this manual and three folders con taining files for doing the experiment Zeeman Capstone Files Zeeman Graphics and Zeeman Word Fi...

Страница 5: ...electromagnet Limited Warranty and Limitation of Liability This BroLight product is free from defects in material and workmanship for one year from the date of purchase This warranty does not cover f...

Страница 6: ...To avoid electric shock do not touch any bare conductor with hand or skin Adhere to local and national safety codes Individual protective equipment must be used to prevent shock and arc blast injury...

Страница 7: ...ground Information Pieter Zeeman observed the anomalous Zeeman Effect in 1896 and shared the Nobel Prize in Physics in 1902 with his teacher Hendrik Lorentz who observed the normal Zeeman Effect In th...

Страница 8: ...S state when B 0 Similarly for EP and EP The energy shift is deter mined by the component of the magnetic moment of the atom along the magnetic field and is given by Equation 1 where gL is the Land g...

Страница 9: ...EP B B Eqn 6 Converting to wavelengths where 2 to extremely good approximation Fabry Perot Interferometer The interferometer consists of two partially reflective optically flat plates of glass called...

Страница 10: ...increases Note that the Fabry Perot interferometer can measure much smaller changes in because is multiplied by a large n resulting in a much larger change in This increases its resolution by roughly...

Страница 11: ...tion 10 is still valid and yields the following and Subtraction yields Using Equation 7 and the excellent approximation n k n 2d yields where h is Planck s constant and c is the speed of light Solving...

Страница 12: ...e curved end of the connection block against the electromagnet base Loosen the locking screw on the base of the electromagnet From the end of the track away from the electromagnet look along the cente...

Страница 13: ...let NOTE The power supply fuse is located in a plastic tray in the top part of the AC POWER CORD port The tray also holds a spare fuse Before opening the fuse tray disconnect the power cord Always rep...

Страница 14: ...iode LED flashlight through the hole and look between the poles of the electromagnet to see that the light is shining on the mercury lamp and that the lamp is centered Remember to replace the axial ir...

Страница 15: ...Assembly 5 The optical axis of the polarizer lens should be aligned with the middle of the mercury lamp when it is mounted in the electromagnet To align the assembly first loosen the two thumbscrews...

Страница 16: ...assembly First loosen the two thumbscrews on the adjust able post holder Raise the interferometer assembly so it is approximately at the same height as the lens assembly 5 Hold a book vertically again...

Страница 17: ...aining post into the bottom of the camera Mount the post in the remaining adjustable post holder Screw the adjustable post holder onto the third optical carrier 2 Mount the camera lens assembly on the...

Страница 18: ...culations and data tables Use these pages if you want to learn more about the setup of the Capstone software and the creation of the calculations used to analyze the data 1 Open the PASCO Capstone pro...

Страница 19: ...Palette at the right side of the workbook to open a four part Movie dis play 4 In the Movie display click Record Movie with Synced Data in the lower right hand box NOTE If the Choose Video Camera wind...

Страница 20: ...in the toolbar of the movie panel to open the Properties dialog window Click Movie Recording and then select the Frame Size as 1280x1024 Click OK 6 Adjust the aperture on the CMOS camera front ring t...

Страница 21: ...at 3 0 A the rings should split into trip lets as shown in Figure 18 The rings should be sharply defined all the way around If the pattern is like Figure 19 the two plates of the interferome ter are n...

Страница 22: ...5 A 4 Remove the axial iron core plug silver knob from the electromagnet It just slides out but is a tight fit so it is probably easier to rotate it as you pull out Rotate the electromagnet by 90 on...

Страница 23: ...Rings for B 0 Click the Properties icon shaped like a gear at the right hand end of the movie display toolbar to open the Properties window In the window click Overlay Click the check box to select U...

Страница 24: ...s it easier to position the Radius Tool circle on the specified ring of the triplets 8 Record the value for the radius R to three decimal places in Table 1 below where k is the ring number 9 Move the...

Страница 25: ...dius as R plus For the inner triplet ring record the radius as R minus 15 Repeat the previous step two more times for a total of three trials to help estimate the uncertainty Data Tables Setup the Dat...

Страница 26: ...tle here and label this table Table 1 B 0 Data Add a third column to the table by clicking the Insert empty column to the right icon at the left end of the table toolbar one time NOTE Table 1 is where...

Страница 27: ...ere Label it Table 2 B 0 k 0 NOTE To get the inequality sign right click the mouse and select the inequality from the Insert Special Character pop up Add two columns for a total of four columns Click...

Страница 28: ...n it and select Rename In the cells below the column heading type in the values for k for the circles you measured with B 0 For example 4 3 2 and 1 10 Click Select Measurement at the top of column 2 i...

Страница 29: ...NOTE You can also get Greek characters this way 16 Type in row 4 Note that instead of typing in the quantities as shown in the square brackets you must select them from the Calculator list that pops...

Страница 30: ...he Calculator list click the icon The first term C2 J m is under Equations Constants The second term R plus m and the third term R minus m are both found under User Defined Data The fourth term d m an...

Страница 31: ...the screen In line 2 the default value is 0 934 T Type in the actual value for B replace the 0 934 T of the magnetic field strength for your electromagnet at the current you used probably 3 00 A NOTE...

Страница 32: ...0 triplet Move the slider until the k 1 triplet disappears NOTE The triplet disappears when the polarizer has been rotated by 90 so you are seeing the light polarized perpendic ular to the magnetic fi...

Страница 33: ...A and Intensity of Magnetic Induction T The following is an example of the TEST REPORT that is included with the Electromagnet Each electromagnet should have its own unique TEST REPORT Note the Serial...

Страница 34: ...eacher s Notes Sample Data Images Run 1 and Run 2 Radius Measurements Run 1 Table 1 Run 1 B 0 k Radius m 4 1 267 3 1 099 2 0 906 1 0 653 0 Run 1 B 0 Polarizer at 90 Run 1 B 0 Polarizer at 90 3 50 A Ru...

Страница 35: ...a 33 012 14266B Calculation Results Run 1 Calculation Results Run 1 Table 2 Run 1 B 0 k 1 Table 3 Run 1 B 0 k 0 Trial R m R m Trial R plus m R minus m 1 0 274 0 097 1 0 680 0 630 2 0 274 0 095 2 0 685...

Страница 36: ...ing the Create Measurement Tool button create three Radius Tools Adjust one of the circles so it is just outside of the outer k 1 triplet Adjust a second circle to just inside the inner k 1 triplet Ad...

Страница 37: ...eproductions are used only for their laboratories and are not sold for profit Reproduction under any other circumstances without the written consent of PASCO scientific is prohibited Warranty For a de...

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