Pasco SE-9357 EDUCATIONAL DIFFRACTION GRATING User Manual download pdf

Instruction Sheet

for the PASCO

Model SE-9357

EDUCATIONAL DIFFRACTION GRATING

012-03440B

3/92

Introduction

The side by side diffraction gratings on this slide make

it easy to investigate diffraction patterns and the

relationship between line spacing and angle of diffrac-

tion.

Suggested Uses of the SE-9357 Educational

Diffraction Grating:

➀ Look at various light sources through the gratings

and examine the spectra. Which colors of light are

diffracted to the greatest angles? How does the

shape and orientation of the light source effect the

pattern?

➁ Using a line-filament light source, compare the dif-

fraction patterns produced by the three gratings. By

looking through two gratings at once (centering

your eye on the division), you can directly compare

two patterns. How does the angle of diffraction

vary with the line spacing of the grating? Repeat

the observation with a color filter between the light

source and the grating.

➂ Examine the spectra of various spectral light

sources. Show your students how an element can be

“fingerprinted”, allowing scientists to analyze the

composition of unknown materials, and even to de-

termine the composition of stars.

➧ IMPORTANT: To avoid scratching or soiling

the surfaces of the gratings, hold the slide only

by its edges.

➦ NOTE: The blaze wavelength of the gratings,

i.e., the wavelength at which they work most

efficiently, is 500 nm (5000

100

lines/mm

300

lines/mm

600

lines/mm

EDUCATIONAL DIFFRACTION GRATING

1 2

Summary of Contents

Page 1 - Model SE-9357

Instruction Sheetfor the PASCOModel SE-9357EDUCATIONAL DIFFRACTION GRATING012-03440B3/92IntroductionThe side by side diffraction gratings on this slid

Page 2 - Limited Warranty

012-03440B2scientificLimited WarrantyPASCO scientific warrants this product to be free fromdefects in materials and workmanship for a period ofone yea

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Pasco SE-9357 EDUCATIONAL DIFFRACTION GRATING User Manual

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