CN209962524U - Basic optical comprehensive teaching experimental instrument - Google Patents
Basic optical comprehensive teaching experimental instrument Download PDFInfo
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- CN209962524U CN209962524U CN201920728055.2U CN201920728055U CN209962524U CN 209962524 U CN209962524 U CN 209962524U CN 201920728055 U CN201920728055 U CN 201920728055U CN 209962524 U CN209962524 U CN 209962524U
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Abstract
The utility model discloses a basic optics comprehensive teaching experiment instrument, the straight line track that sets up including the level, be provided with the scale on the straight line track, straight line track below is provided with the support, the support is used for stabilizing straight line track, just receive the screen to the semiconductor laser light source and the reading that are provided with the visible light wave band on the straight line track, the reading is received the screen and all has the scale on level and vertical direction, the semiconductor laser light source of visible light wave band with be provided with the optics experiment module between the screen is received to the reading. The utility model has the advantages of strong commonality, convenient to use, experimental result are accurate.
Description
Technical Field
The utility model relates to a teaching experiment technical field, concretely relates to basic optics synthesizes teaching experiment instrument.
Background
Basic optical experiment is the essential important link of learning geometric optics and wave optics, takes up more important position in basic teaching, except carrying out theoretical teaching among the daily teaching process, experimental teaching can let the student more understand and remember fast, and the student can deepen the understanding to relevant optics notion through basic optical experiment, firmly is familiar with the application to optical knowledge and technique of studying.
In the process of basic optical experiment teaching, an experimental instrument is the most basic equipment, and the optical experimental instrument can simulate various optical phenomena, but because the optical phenomena are many, experiments of each optical phenomenon need different experimental equipment, and the experimental equipment in the same experiment is a set, the replaceability is poor, the equipment is messy, and the management and planning are not facilitated; the most important thing in the optical experiment is the coaxial problem between the instruments, most of the optical instruments at the present stage do not have the convenient performance of coaxial adjustment, so that the experiment is easy to deviate; because the types of optical instruments are more, various measuring tools are involved in measuring result data, deviation is easy to generate, and the experimental effect and the result are influenced.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a commonality strong, convenient to use, accurate basic optics comprehensive teaching experiment instrument of experimental result.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a teaching experiment instrument is synthesized to basic optics, includes the straight line track that the level set up, be provided with the scale on the straight line track, straight line track below is provided with the support, the support is used for stabilizing straight line track, just receive the screen to semiconductor laser light source and the reading that is provided with the visible light wave band on the straight line track, the reading is received the screen and all has the scale in level and vertical direction, the semiconductor laser light source of visible light wave band with be provided with the optics experiment module between the screen is received to the reading.
Furthermore, the optical experiment module comprises a transparent medium with a known inclination angle, the bottom edge of the transparent medium is arranged on the linear track in a sliding mode, and the oblique edge of the transparent medium inclines towards the direction of the reading receiving screen.
Furthermore, the optical experiment module comprises an object screen which is arranged on the linear track in a sliding mode, a cross light-transmitting cross wire is arranged at the center of the object screen, a collimating lens is arranged on the linear track between the object screen and the semiconductor laser light source of the visible light wave band, and a thin lens is arranged on the linear track between the object screen and the reading receiving screen.
Furthermore, the optical experiment module is in including sliding the setting object screen on the straight line track, the center on the object screen is provided with cross printing opacity cross, the object screen with be provided with collimating lens on the straight line track between the semiconductor laser light source of visible light wave band, the object screen with be provided with the optical system group on the straight line track between the screen is received to the reading, the optical system group includes two parallel arrangement's lens.
Furthermore, the optical experiment module is including setting up the semiconductor laser light source of visible light wave band with the object screen on the linear track between the screen is received to the reading, be provided with the printing opacity seam of two parallels on the object screen, two the printing opacity seam is followed the central symmetry of object screen, the printing opacity seam level sets up.
Furthermore, the optical experiment module comprises a semiconductor laser light source arranged in the visible light wave band and an object screen arranged on a linear track between the reading receiving screens, a horizontal light-transmitting seam is arranged on the object screen, and the light-transmitting seam is arranged at the center of the object screen.
Furthermore, the optical experiment module comprises a polarizer arranged between the semiconductor laser light source of the visible light wave band and the reading receiving screen, the polarizer can rotate around the central axis of the polarizer, and an analyzer is arranged on a linear track arranged between the polarizer and the reading receiving screen.
The utility model has the advantages that:
the utility model provides a complete set of experimental facilities can accomplish the optics experiment such as the survey of transparent dielectric material refracting index, thin lens formation of image law, the survey of optical system basic point, survey light wavelength with double slit interference, single slit diffraction experiment, polarization observation through replacing optics experiment module, can enough reduce the quantity of experimental facilities, can simplify the understanding and the familiarity of student to experimental facilities again, has improved teaching efficiency; all the optical experiment modules, the semiconductor laser light source of the visible light wave band and the reading receiving screen are arranged on the same straight line track, so that coaxial adjustment is facilitated, the experiment process is simplified, and the accuracy of data is guaranteed; all be provided with the scale on linear orbit and the reading receiving screen, can guarantee the unity of measuring instrument through the accurate relevant data that obtains of scale, and then unified the precision of experimental data, be convenient for handle and analysis.
Drawings
Fig. 1 is the utility model relates to a basic optics synthesizes teaching experiment instrument's schematic structure.
FIG. 2 is a schematic diagram illustrating the measurement of the refractive index of the transparent dielectric material in FIG. 1.
Fig. 3 is a schematic structural diagram of an optical experiment module for performing an experiment of a thin lens imaging rule.
Fig. 4 is a schematic structural diagram of an optical experimental module for performing an experiment for measuring a base point of an optical system.
FIG. 5 is a schematic structural diagram of an optical experimental module for performing a double-slit interferometry wavelength measurement experiment.
FIG. 6 is a schematic diagram of an optical experimental module for performing single slit diffraction experiments.
Fig. 7 is a schematic structural diagram of an optical experimental module for performing an observation experiment of polarization phenomenon.
In the drawings: the device comprises a linear track 1, a support 2, a semiconductor laser light source 3 in a visible light wave band, a reading receiving screen 4, a transparent medium 51, an object screen 52, a cross light-transmitting cross 53, a collimating lens 54, a thin lens 55, an optical system 56, a light-transmitting slit 57, a polarizer 58 and an analyzer 59.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-7, a basic optics comprehensive teaching experimental instrument, including the straight line track 1 that the level set up, be provided with the scale on the straight line track 1, straight line track 1 below is provided with support 2, support 2 is used for stabilizing straight line track 1, just to receiving screen 4 with the reading with the semiconductor laser light source 3 that is provided with the visible light wave band on the straight line track 1, receiving screen 4 all has the scale in level and vertical direction for the reading, the semiconductor laser light source 3 of visible light wave band with be provided with the optics experiment module between receiving screen 4 for the reading.
In this embodiment, the optical experiment module includes a transparent medium 51 with a known inclination angle, a bottom edge of the transparent medium 51 is slidably disposed on the linear track 1, and an oblique edge of the transparent medium 51 is inclined toward the reading receiving screen 4.
When the reading receiving screen is used, when the transparent medium block is not placed, the position of a light beam emitted by a semiconductor laser light source in a visible light wave band is recorded on the reading receiving screen, then the transparent medium block is placed, the changed position of the light beam is recorded on the reading receiving screen again, the displacement d of the light beam can be obtained, as the inclination angle theta of the transparent medium is known and the length b of the bottom edge of the transparent medium can be obtained through the scales, the incident angle i of the light beam can be obtained, the side length a of the transparent medium can be obtained according to the displacement d and the inclination angle theta of the light beam, and then
To obtain sini', and thus the refractive index n
In this embodiment, the optical experiment module includes an object screen 52 slidably disposed on the linear track, a cross light-transmitting cross 53 is disposed at the center of the object screen 52, a collimating lens 54 is disposed on the linear track 1 between the object screen 52 and the semiconductor laser light source 3 in the visible light band, and a thin lens 55 is disposed on the linear track between the object screen 52 and the reading receiving screen 4.
Therefore, laser beams emitted by the visible light wave band semiconductor laser light source are changed into parallel beams after passing through the collimating lens, the object screen is illuminated to form a luminous object, the position of the thin lens is fixed, and the position of the reading receiving screen is changed until a clear image is obtained. The object distance l and the image distance l' are both read out from the guide rail directly, and the focal length f of the thin lens is known, so that the imaging rule of the thin lens can be verified.
In this embodiment, the optical experiment module includes an object screen 52 slidably disposed on the linear track, a cross light-transmitting cross filament 53 is disposed at the center of the object screen 52, a collimating lens 54 is disposed on the linear track 1 between the object screen 52 and the semiconductor laser light source 3 in the visible light band, an optical train group 56 is disposed on the linear track 1 between the object screen 52 and the reading receiving screen, and the optical train group 56 includes two lenses disposed in parallel.
Thus, the laser beam emitted by the visible light wave band semiconductor laser light source is changed into parallel beams after passing through the collimating lens, the object screen is illuminated to form a luminous object, the position of the reading receiving screen 14 is changed, a clear image can be obtained, and the position of the focus of the optical system is determined.
In this embodiment, the optical experiment module includes an object screen 52 disposed on the linear track 1 between the semiconductor laser light source 3 of the visible light band and the reading receiving screen 4, two parallel light-transmitting slits 57 are disposed on the object screen 52, the two light-transmitting slits 57 are symmetrical about the center of the object screen, and the light-transmitting slits 57 are disposed horizontally.
Thus, after laser beams emitted by the visible light waveband semiconductor laser light source pass through the two light transmission slits, double-slit interference fringes are formed on the reading receiving screen, the positions of the double-slit interference fringes and the width △ x between the fringes are directly read from the reading receiving screen, the distance D between the two light transmission slits is known, the distance D between the single slit and the receiving screen is read from the guide rail, and the wavelength can be obtained
In this embodiment, the optical experiment module includes an object screen 52 disposed on the linear track 1 between the semiconductor laser light source 3 of the visible light band and the reading receiving screen 4, a horizontal light-transmitting slit 27 is disposed on the object screen 52, and the light-transmitting slit 27 is disposed in the center of the object screen 52.
Therefore, after laser beams emitted by the visible light semiconductor laser light source pass through the light transmission slits, single slit diffraction stripes are formed on the reading receiving screen, the position of the central bright stripe and the width of the central bright stripe can be directly read from the reading receiving screen, and therefore the single slit diffraction rule can be verified.
In this embodiment, the optical experimental module includes a polarizer 58 disposed between the semiconductor laser light source 3 in the visible light band and the reading receiving screen 4, the polarizer 58 is rotatable around its central axis, and an analyzer 59 is disposed on a linear track disposed between the polarizer 58 and the reading receiving screen 4.
Therefore, laser beams emitted by the visible light semiconductor laser light source are changed into linearly polarized light after passing through the polarizer, the intensity of the linearly polarized light is changed after passing through the analyzer, the analyzer is continuously selected for a complete circle, and the change of the transmitted light intensity can be observed on the reading receiving screen, so that the polarization phenomenon and the law of the light are verified.
The utility model has the advantages that:
the utility model provides a complete set of experimental facilities can accomplish the optics experiment such as the survey of transparent dielectric material refracting index, thin lens formation of image law, the survey of optical system basic point, survey light wavelength with double slit interference, single slit diffraction experiment, polarization observation through replacing optics experiment module, can enough reduce the quantity of experimental facilities, can simplify the understanding and the familiarity of student to experimental facilities again, has improved teaching efficiency; all the optical experiment modules, the semiconductor laser light source of the visible light wave band and the reading receiving screen are arranged on the same straight line track, so that coaxial adjustment is facilitated, the experiment process is simplified, and the accuracy of data is guaranteed; all be provided with the scale on linear orbit and the reading receiving screen, can guarantee the unity of measuring instrument through the accurate relevant data that obtains of scale, and then unified the precision of experimental data, be convenient for handle and analysis.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. The utility model provides a teaching experiment instrument is synthesized to basic optics, its characterized in that, including the straight line track that the level set up, be provided with the scale on the straight line track, straight line track below is provided with the support, the support is used for stabilizing straight line track, just receive the screen to semiconductor laser light source and the reading that is provided with the visible light wave band on the straight line track, the reading is received the screen and all has the scale in level and vertical direction, the semiconductor laser light source of visible light wave band with be provided with the optics experiment module between the screen is received to the reading.
2. The basic optical comprehensive teaching experiment instrument according to claim 1, wherein the optical experiment module comprises a transparent medium with a known inclination angle, the bottom edge of the transparent medium is slidably disposed on the linear track, and the oblique edge of the transparent medium is inclined towards the reading receiving screen.
3. The basic optical comprehensive teaching experiment instrument according to claim 1, wherein the optical experiment module comprises an object screen slidably disposed on the linear track, a cross light-transmitting cross wire is disposed at the center of the object screen, a collimating lens is disposed on the linear track between the object screen and the semiconductor laser light source in the visible light band, and a thin lens is disposed on the linear track between the object screen and the reading receiving screen.
4. The basic optical comprehensive teaching experiment instrument according to claim 1, wherein the optical experiment module comprises an object screen slidably disposed on the linear track, a cross-shaped light-transmitting cross wire is disposed at the center of the object screen, a collimating lens is disposed on the linear track between the object screen and the semiconductor laser light source in the visible light band, an optical system is disposed on the linear track between the object screen and the reading receiving screen, and the optical system comprises two lenses disposed in parallel.
5. The basic optical comprehensive teaching experiment instrument according to claim 1, wherein the optical experiment module comprises an object screen arranged on a linear track between the semiconductor laser light source of the visible light band and the reading receiving screen, two parallel light-transmitting slits are arranged on the object screen, the two light-transmitting slits are symmetrical along the center of the object screen, and the light-transmitting slits are horizontally arranged.
6. The basic optical comprehensive teaching experiment instrument according to claim 1, wherein the optical experiment module comprises an object screen arranged on a linear track between the semiconductor laser light source of the visible light band and the reading receiving screen, a horizontal light-transmitting slit is arranged on the object screen, and the light-transmitting slit is arranged in the center of the object screen.
7. The fundamental optical integrated teaching experiment instrument according to claim 1, wherein the optical experiment module comprises a polarizer disposed between the semiconductor laser light source in the visible light band and the reading receiving screen, the polarizer is rotatable around its central axis, and an analyzer is disposed on a linear track disposed between the polarizer and the reading receiving screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728055.2U CN209962524U (en) | 2019-05-21 | 2019-05-21 | Basic optical comprehensive teaching experimental instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920728055.2U CN209962524U (en) | 2019-05-21 | 2019-05-21 | Basic optical comprehensive teaching experimental instrument |
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| CN209962524U true CN209962524U (en) | 2020-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839930A (en) * | 2023-02-14 | 2023-03-24 | 成都华芯众合电子科技有限公司 | Optical platform for measuring liquid refractive index through plasmon resonance |
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2019
- 2019-05-21 CN CN201920728055.2U patent/CN209962524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839930A (en) * | 2023-02-14 | 2023-03-24 | 成都华芯众合电子科技有限公司 | Optical platform for measuring liquid refractive index through plasmon resonance |
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