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Bacteriorhodopsin thin film-based sinusoidal modulation optically-controlled delayed opening and timing shutdown system

A technology of bacteriorhodopsin and time-delay opening, which is applied in optics, nonlinear optics, instruments, etc., to achieve the effect of controllable timing and small energy attenuation

Inactive Publication Date: 2011-06-15
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Making use of the slow light velocity characteristics of organic photochromic thin films to make photonic devices, as far as we know, there have been no related reports

Method used

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  • Bacteriorhodopsin thin film-based sinusoidal modulation optically-controlled delayed opening and timing shutdown system
  • Bacteriorhodopsin thin film-based sinusoidal modulation optically-controlled delayed opening and timing shutdown system
  • Bacteriorhodopsin thin film-based sinusoidal modulation optically-controlled delayed opening and timing shutdown system

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Embodiment Construction

[0014] Attached below figure 1 , the light-controlled delayed transmission system based on bacteriorhodopsin organic film proposed by the present invention is described in detail.

[0015] refer to figure 1 , according to the present invention based on bacteriorhodopsin film-based light-controlled time-delay on timing off system includes a 633nm laser 3-1, a first adjustable light intensity attenuator 3-7, a second adjustable light intensity attenuator 3-8 , the third adjustable light intensity attenuator 3-10, the bacteriorhodopsin film material 3-9, the first light detector 3-11, the second light detector 3-12, the oscilloscope 3-13, the mirror 3- 6. Half mirror 3-5, signal generator 3-3, electro-optic modulator 3-2 and polarizer 3-4.

[0016] attached figure 1 The functional positional relationship of each component in the system is as follows: the laser beam with constant light intensity emitted from the 633nm laser 3-1 passes through the electro-optic modulator 3-2 and...

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Abstract

The invention discloses a bacteriorhodopsin thin film-based sinusoidal modulation optically-controlled delayed opening and timing shutdown system, which comprises a 633nm laser (3-1), light intensity-adjustable attenuators (3-7, 3-8 and 3-10), a bacteriorhodopsin thin film material (3-9), photodetectors (3-11 and 3-12), an oscilloscope (3-13), a reflecting mirror (3-6), a semitransparent half-reflecting mirror (3-5), a 633nm laser (3-1), a signal generator (3-3), a photoelectric modulator (3-2) and a polarizer (3-4). By employing the optical control system, the signal is attenuated a little in the transmission process, the speed of a weak light group is reduced by 1mm / s at normal temperature, and the functions of opening after the optical information controlled delay time of 0.20 second and closing at fixed time of 1 to 20 seconds are realized.

Description

technical field [0001] The invention belongs to the field of light-controlled time-delay switch devices, and in particular relates to a light-controlled time-delayed opening and timing closing system based on a bacteriorhodopsin film, wherein a signal arrives at a delayed time and a transmission switch is opened, and the switch is closed after timing transmission of the signal. Background technique [0002] Bacteriorhodopsin (BR for short) is a photosensitive protein in the cell membrane of halophilic bacteria that is similar to rhodopsin in vision. The most excellent characteristics of BR film materials are photochromic performance, transient Photoelectric response performance and nonlinear optical performance have broad application prospects in the field of optical information processing) There are many studies on all-optical switches. Anisotropic characteristics and other principles realize all-optical switches; from the realization means, some use two-wave coupling or mu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/361
Inventor 陈桂英薄方张国权
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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