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CN-224232052-U - Integrated optical path modulation device

CN224232052UCN 224232052 UCN224232052 UCN 224232052UCN-224232052-U

Abstract

The utility model relates to an integrated optical path modulation device which comprises a shell, a modulation component and an electric optical path switching component, wherein an input interface and an output interface are arranged on the shell, the modulation component comprises a shutter, a polarization adjustment module, a power adjustment beam splitting module and a switchable beam expanding part, the input interface is connected with a laser, the shutter, the polarization adjustment module, the power adjustment beam splitting module and the optical path switching part are sequentially arranged, an optical inlet of the beam expanding part is positioned at one side of the optical path switching part, the output interface is connected with a multiphoton microscope, and the electric optical path switching component is arranged between the power adjustment beam splitting module and the optical path switching part. Compared with the prior art, the utility model integrates the functions of shutter control, polarization adjustment, power adjustment, beam splitting and adjustable beam expansion, has compact and stable structure, is highly integrated and expandable, and meets the requirements of flexible regulation and control of different lasers.

Inventors

  • DONG BIQIN

Assignees

  • 觅可罗(上海)智能科技有限公司

Dates

Publication Date
20260512
Application Date
20250723

Claims (10)

  1. 1. An integrated optical path modulation device is connected with a laser and a multiphoton microscope and is characterized by comprising a shell (1), and a modulation component and an electric optical path switching component (3) which are arranged in the shell (1), wherein the shell (1) is provided with at least two input interfaces (10) and two output interfaces (11), and the number of the modulation component is the same as that of the input interfaces (10) and the output interfaces (11); The modulation component comprises a shutter (20), a polarization adjustment module, a power adjustment beam splitting module and an adjustable beam expansion module, wherein the adjustable beam expansion module comprises a light path switching part (22) and a beam expansion part, the input interface (10) is connected with a light beam output by a laser, the shutter (20) is arranged on one side of the input interface (10), the polarization adjustment module is arranged on one side of the shutter (20) away from the input interface (10), the power adjustment beam splitting module is arranged on one side of the polarization adjustment module away from the shutter (20), the light path switching part (22) is arranged on one side of the power adjustment beam splitting module, the light inlet of the beam expansion part is arranged on one side of the light path switching part (22) away from the power adjustment beam splitting module, the output interface (11) is arranged on one side of the light outlet of the beam expansion part, and the output interface (11) is connected with a multiphoton microscope; The electric light path switching component (3) is arranged between the power adjusting beam splitting module of at least one modulation component and the light path switching part (22).
  2. 2. An integrated optical path modulation device according to claim 1, wherein the optical path switching section (22) comprises a highly reflective film mirror and an electric optical path switching stage, the highly reflective film mirror being mounted on the electric optical path switching stage.
  3. 3. The integrated optical path modulation device according to claim 1, wherein the beam expanding portion comprises a slide rail (232) and at least two lenses (233), and the at least two lenses (233) are slidably mounted on the slide rail (232).
  4. 4. An integrated optical path modulation device according to claim 1, wherein the beam expanding section comprises at least a first beam expanding channel (230) and a second beam expanding channel (231).
  5. 5. The integrated optical path modulation device according to claim 1, wherein the polarization adjustment module comprises a half-wave plate (240) and an electric rotating table, and the half-wave plate (240) is mounted on the electric rotating table.
  6. 6. An integrated optical circuit modulation device according to claim 1, wherein the power conditioning beam splitting module comprises a beam splitting cube (210).
  7. 7. The integrated optical path modulation device of claim 1, wherein the power conditioning beam splitting module comprises an acousto-optic modulator.
  8. 8. An integrated optical path modulation device according to claim 1, wherein an optical path switching part (22) is installed between the beam expanding part and the output interface (11).
  9. 9. An integrated optical path modulation device according to claim 1, wherein the modulation assembly further comprises a mirror (25), the mirror (25) being mounted between the power conditioning beam splitting module and the electrical optical path switching assembly (3) and/or between the beam expanding section and the output interface (11).
  10. 10. The integrated optical path modulation device according to claim 1, wherein the housing (1) is a cuboid composed of metal plates, the inner wall is provided with a black coating, and a light shield is arranged outside the housing (1).

Description

Integrated optical path modulation device Technical Field The present utility model relates to multiphoton imaging devices, and more particularly, to an integrated optical path modulation device. Background Multiphoton microscopic imaging technology has been widely used in biomedical research fields due to its high resolution, deep tissue penetration capability, and low photodamage characteristics. With the widespread use of multiphoton microscopy imaging techniques, it is often necessary in experiments to use laser sources of various wavelengths (e.g., 920nm and 1030 nm) to excite different fluorescent probes or to achieve polychromatic imaging. However, the existing optical path system has the problems of scattered structure, complex alignment and inconvenient adjustment when integrating multiple paths of lasers. In addition, parameters such as light spot size, polarization state, optical power regulation and control often depend on external devices for independent adjustment, the system integration level is low, light loss and positioning errors are easily caused, and imaging quality and system stability are affected. Through retrieval, application publication number CN114799494A discloses a laser beam splitting device and laser processing equipment, and specifically discloses a laser beam splitting device and laser processing equipment, wherein the laser beam splitting device comprises a beam splitting component and high-speed optical switch components, the beam splitting component is used for reflecting, transmitting and receiving laser beams, the laser beams transmitted through each beam splitting component form a transmission light path, each beam splitting component reflects the laser beams in the transmission light path to form a reflection light path, each high-speed optical switch component is correspondingly arranged in each reflection light path one by one, each high-speed optical switch component comprises an acousto-optic modulator, a first reflector and a diaphragm, the reflection light path forms zero-order diffraction light and first-order diffraction light through the acousto-optic modulator, the first-order diffraction light is emitted from the center of the diaphragm after being reflected by the first reflector, and the zero-order diffraction light is intercepted by the diaphragm after being reflected by the first reflector. The power proportion of the laser is adjusted through the light splitting assembly, and independent control of each path of laser is realized through the high-speed optical switch assembly. However, the prior art can only be used for light splitting and power regulation and control, and is not suitable for multi-photon imaging. In summary, how to design an optical path modulation device suitable for multiphoton imaging is a technical problem to be solved. Disclosure of utility model The utility model aims to overcome the defect that the prior art can only be used for light splitting and power regulation and control, and provides an integrated optical path modulation device. The aim of the utility model can be achieved by the following technical scheme: According to one aspect of the utility model, an integrated optical path modulation device is provided, which is connected with a laser and a multiphoton microscope, and comprises a shell, and a modulation component and an electric optical path switching component which are arranged in the shell, wherein the shell is provided with at least two input interfaces and two output interfaces, and the number of the modulation component is the same as that of the input interfaces and the output interfaces; the modulation component comprises a shutter, a polarization adjustment module, a power adjustment beam splitting module and an adjustable beam expanding module, wherein the adjustable beam expanding module comprises a light path switching part and a beam expanding part, the input interface is connected with a light beam output by a laser, the shutter is arranged on one side of the input interface, the polarization adjustment module is arranged on one side of the shutter away from the input interface, the power adjustment beam splitting module is arranged on one side of the polarization adjustment module away from the shutter, the light path switching part is arranged on one side of the power adjustment beam splitting module, which emits light, the light inlet of the beam expanding part is arranged on one side of the light path switching part away from the power adjustment beam splitting module, the output interface is arranged on one side of the light outlet of the beam expanding part, and the output interface is connected with the multiphoton microscope; The electric light path switching component is arranged between the power adjusting beam splitting module of the at least one modulation component and the light path switching part. As a preferable technical scheme, the optical path switching part comprises a high-reflect