CN113253471B - Rotary three-dimensional optical excitation device - Google Patents

Abstract

The present application proposes a rotary three-dimensional optical excitation device, which is characterized by comprising a rotary base, a periscope group, a light modulation device and a sample container, the periscope group is installed on the rotary base, and the light beam of the light modulation device is along the rotation of the rotary base. The rotation center axis enters the periscope group, the periscope group shifts the light beam of the light modulation device to the intersection with the rotation center axis of the rotation base, and the intersection is located in the sample container, the advantages of the present application compared with the prior art Yes: After the light beam is modulated by the light modulation device, it is shifted by the periscope group on the rotating base, and under the rotation of the rotating base, the sample entering the sample container can be irradiated from different angles, and the beams of different angles and shapes can be They are superimposed to excite specific three-dimensional shapes in three-dimensional space, thereby improving the efficiency of three-dimensional light excitation, and the sample container does not need to be moved, which is convenient for replacement.

Description

Rotary 3D Light Excitation Device

technical field

The present application relates to the technical field of optical instruments, and in particular, to a rotary three-dimensional optical excitation device.

Background technique

The light excitation device can be used with fluorescent samples and light-cured 3D printing materials, which can excite specific shapes and regions in the fluorescent samples, and can also excite the photo-curing reaction of the materials in the light-irradiated regions for 3D printing. Current photoexcitation devices usually can only photoexcite linear or planar regions, but cannot simultaneously photoexcite three-dimensional regions, resulting in low efficiency of three-dimensional photoexcitation.

SUMMARY OF THE INVENTION

The present application aims to solve one of the technical problems in the related art at least to a certain extent.

Therefore, the purpose of this application is to propose a rotary three-dimensional light excitation device.

In order to achieve the above purpose, the rotary three-dimensional light excitation device proposed in the present application includes a rotary base, a periscope group, a light modulation device and a sample container, the periscope group is installed on the rotary base, and the light modulation device The light beam enters the periscope group along the rotation center axis of the rotating base, the light modulation device detects the angle of the rotating base through a grating ruler, and emits a light beam with a corresponding pattern according to the angle to improve the The utilization rate of the light beam emitted by the light modulation device, the periscope group shifts the light beam of the light modulation device to the intersection with the rotation center axis of the rotating base, and the intersection is located in the center of the sample container, so as to A three-dimensional region composed of two symmetrical conical shapes is formed in the sample container.

The periscope group includes a first reflecting mirror and at least one second reflecting mirror, the first reflecting mirror is fixedly mounted on the rotating base and located on the rotation center axis of the rotating base, and the first reflecting mirror is fixed on the rotating base. Two reflecting mirrors are fixedly installed on the rotating base, and are far away from the rotation center axis of the rotating base. The light beam of the light modulation device is reflected by the first reflecting mirror and the second reflecting mirror in turn and The rotation center axes of the rotating bases intersect.

The rotating base is fixedly mounted on the rotating shaft of the driving motor.

The length direction of the rotating base is perpendicular to the rotation axis of the drive motor, and the width direction thereof is parallel to the rotation axis of the drive motor.

The sample container is made of transparent material.

The sample container is made of tempered glass.

The sample container is made of plexiglass.

The sample container is a box structure with a built-in cavity.

After the above technical solution is adopted, the advantages of the present application compared with the prior art are: after the light beam is modulated by the light modulation device, after the offset of the periscope group on the rotating base, and under the rotation of the rotating base, the The samples entering the sample container are irradiated at different angles, and the beams of different angles and shapes are superimposed to excite a specific three-dimensional shape in the three-dimensional space, thereby improving the efficiency of three-dimensional light excitation, and the sample container does not need to be moved and is easy to replace.

Additional aspects and advantages of the present application will be set forth, in part, in the following description, and in part will be apparent from the following description, or learned by practice of the present application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is a schematic structural diagram of a rotary three-dimensional optical excitation device proposed in an embodiment of the present application;

2 is a schematic structural diagram of a light beam of a light modulation device in a rotary three-dimensional light excitation device proposed in an embodiment of the present application when a three-dimensional shape is excited in a sample container;

As shown in the figure: 1. Rotating base, 2. Light modulation device, 3. Sample container, 4. First reflecting mirror, 5. Second reflecting mirror.

Detailed ways

The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.

FIG. 1 is a schematic structural diagram of a rotary three-dimensional optical excitation device proposed in an embodiment of the present application.

Referring to FIG. 1 , the rotary three-dimensional light excitation device includes a rotary base 1 , a periscope group, a light modulation device 2 and a sample container 3 .

In the present embodiment, the rotating base 1 is a rectangular plate structure, which is fixedly installed on the rotating shaft of the driving motor, and its rotation center axis coincides with the rotating shaft of the driving motor. At the same time, the length direction of the rotating base 1 is the same as The rotation axis of the driving motor is vertical, and its width direction is parallel to the rotation axis of the driving motor, wherein the driving motor is not shown in the drawings, and is used for driving the rotating base 1 to rotate.

The light modulation device 2 is the light modulator, which uses the light modulation technology to superimpose the information-carrying signal on the carrier light wave. The light modulator can make certain parameters of the light wave such as amplitude, frequency, phase, polarization state and duration. If it changes according to a certain rule, the light modulation device 2 is regarded as the prior art and will not be repeated here.

When the light modulation device 2 is fixedly installed, the central axis of the light beam coincides with the central axis of rotation of the rotating base 1, which is used for light beam modulation.

The periscope group is installed on the rotating base 1, and the light beam of the light modulation device 2 enters the periscope group along the rotation center axis of the rotating base 1, and the periscope group shifts the light beam of the light modulation device 2 to rotate with the rotating base 1. where the central axes intersect.

The periscope group includes a first reflector 4 and a second reflector 5. The first reflector 4 is fixedly mounted on the rotating base 1 and is perpendicular to the rotating base 1. At the same time, the first reflector 4 is located on the rotating base 1. On the rotation center axis of the seat 1, and there is an included angle of less than 90 degrees between it and the rotation axis of the rotating base 1, the second mirror 5 is fixedly installed on the rotating base 1, and it is perpendicular to the rotating base 1 , at the same time, the second mirror 5 is far away from the rotation center axis of the rotating base 1, and there is an included angle of less than 90 degrees with the first reflecting mirror 4 and the rotating axis of the rotating base 1, so that in the light modulation device 2 After being reflected by the first reflecting mirror 4 and the second reflecting mirror 5 in sequence, the light beam can intersect with the rotation center axis of the rotating base 1 .

In some embodiments, a plurality of second reflecting mirrors 5 may be provided, so that the light beam of the light modulation device 2 finally intersects the rotation center axis of the rotating base 1 after multiple reflections.

In this embodiment, due to the continuous rotation of the rotating base 1, part of the light beam of the light modulation device 2 cannot enter the periscope group. In order to reduce the waste of this part of the light beam, the light modulation device 2 emits light according to the angle of the rotating base 1 The light beams with corresponding patterns can improve the utilization rate of the light beams emitted by the light modulation device 2 .

In some embodiments, the angle of the rotating base 1 can be detected by a grating ruler, and the grating ruler converts the angle signal of the rotating base 1 into an electrical signal, so that the light modulation device 2 can emit a light beam with a corresponding pattern according to the electrical signal .

In this embodiment, the position of the sample container 3 is fixed relative to the light modulation device 2 , it is made of a transparent material, and it is a box structure with a built-in cavity, and the sample is placed in the sample container 3 .

In some embodiments, the sample container 3 can be made of tempered glass, plexiglass, etc., to ensure that the sample container 3 has good light transmittance.

In this embodiment, the intersection of the central axis of the light beam of the light modulation device 2 and the central axis of rotation of the rotating base 1 is located in the sample container 3 , so that the light beam of the light modulation device 2 passes through the first reflection mirror 4 and the second reflection in sequence The mirror 5 can pass through the sample container 3 after the reflection, and with the rotation of the rotating base 1, the position of the intersection of the central axis of the light beam of the light modulation device 2 and the rotating central axis of the rotating base 1 in the sample container 3 is always different. Change.

Therefore, when the rotating base 1 is rotated and the sample container 3 is fixed, the light beam of the light modulation device 2 is irradiated into the sample from different angles, and the light beams of different angles and shapes are superimposed to excite the three-dimensional space. The specific three-dimensional shape improves the efficiency of three-dimensional light excitation, and the sample container 3 does not need to be moved, which is convenient for replacement.

As shown in FIG. 2 , in this embodiment, the intersection of the central axis of the light beam of the light modulation device 2 and the central axis of rotation of the rotating base 1 is located at the center of the sample container 3 , so that the light beam of the light modulation device 2 is in the sample container 3, with the intersection as the center, a three-dimensional area composed of two symmetrical conical shapes is formed, so that the three-dimensional shape in the three-dimensional space can be maximized.

It should be noted that, in the description of the present application, the terms "first", "second" and the like are only used for the purpose of description, and should not be construed as indicating or implying relative importance. Also, in the description of this application, unless otherwise specified, "plurality" means two or more.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations to the present application. Embodiments are subject to variations, modifications, substitutions and variations.

Claims (8)

1. A rotary three-dimensional light excitation device, characterized in that it comprises a rotary base (1), a periscope group, a light modulation device (2) and a sample container (3), and the periscope group is mounted on the rotary base (1). ), the light beam of the light modulation device (2) enters the periscope group along the rotation center axis of the rotating base (1), and the light modulation device (2) detects the rotating base through a grating ruler (1), and emit a light beam with a corresponding pattern according to the angle, so as to improve the utilization rate of the light beam emitted by the light modulation device, and the periscope group shifts the light beam of the light modulation device (2). The rotation center axis of the rotating base (1) intersects, and the intersection is located in the center of the sample container (3), so as to form a combination of two symmetrical conical shapes in the sample container (3). three-dimensional area. 2 . The rotary three-dimensional optical excitation device according to claim 1 , wherein the periscope group comprises a first reflecting mirror ( 4 ) and at least one second reflecting mirror ( 5 ), the first reflecting mirror ( 4) It is fixedly installed on the rotating base (1), and is located on the rotation center axis of the rotating base (1), and the second reflector (5) is fixedly installed on the rotating base ( 1), and it is far from the rotation center axis of the rotating base (1), the light beam of the light modulation device (2) passes through the first reflecting mirror (4) and the second reflecting mirror (5) in turn. After reflection, it intersects with the rotation center axis of the rotating base (1). 3 . The rotary three-dimensional optical excitation device according to claim 1 or 2 , wherein the rotating base ( 1 ) is fixedly installed on the rotating shaft of the driving motor. 4 . 4 . The rotary three-dimensional optical excitation device according to claim 3 , wherein the length direction of the rotating base ( 1 ) is perpendicular to the rotation axis of the driving motor, and the width direction of the rotating base ( 1 ) is perpendicular to the rotation axis of the driving motor. 5 . The axes of rotation are parallel. 5 . The rotary three-dimensional light excitation device according to claim 1 or 2 , wherein the sample container ( 3 ) is made of transparent material. 6 . 6 . The rotary three-dimensional light excitation device according to claim 5 , wherein the sample container ( 3 ) is made of tempered glass. 7 . 7 . The rotary three-dimensional light excitation device according to claim 5 , wherein the sample container ( 3 ) is made of plexiglass. 8 . 8 . The rotary three-dimensional optical excitation device according to claim 5 , wherein the sample container ( 3 ) is a box structure with a built-in cavity. 9 .

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