Laser sum frequency device
A laser and laser source technology, applied in the laser field, can solve problems such as poor sum-frequency effect and sum-frequency energy jitter, and achieve the effect of improving sum-frequency effect and eliminating sum-frequency energy jitter
Inactive Publication Date: 2020-05-12
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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Problems solved by technology
[0004] The invention provides a laser sum-frequency device, which can solve the problem that the existing laser sum-frequency device easily causes sum-frequency energy jitter due to the time jitter of pulsed laser light, resulting in poor sum-frequency effect
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[0020] The present invention is described in detail below in conjunction with examples, but the present invention is not limited to these examples.
[0021] The embodiment of the present invention provides a laser sum frequency device, such as figure 1 As shown, the device includes: a first laser unit 1, used to generate a first pulsed laser; a second laser unit 2, used to generate a second pulsed laser; the waveform of the second pulsed laser is different from that of the first pulsed laser; and the frequency unit 3. It is used to sum and frequency the first pulse laser and the second pulse laser; the first laser unit 1 includes a laser source 11 and an electro-optic modulator 12; the electro-optic modulator 12 is used to receive the laser signal sent by the laser source 11, and The laser signal is modulated into a first pulsed laser; the device also includes a control unit 4, the control unit 4 is connected to the electro-optic modulator 12, and is used to control the workin...
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The invention discloses a laser sum frequency device, belongs to the field of laser, and can solve the problem that an existing laser sum frequency device is poor in sum frequency effect due to the fact that sum frequency energy jitters easily caused by time jittering of pulse laser. The device comprises: a first laser unit used for generating first pulse laser; a second laser unit used for generating second pulse laser, wherein the waveforms of the second pulse laser and the first pulse laser are different; a sum frequency unit used for carrying out sum frequency on the first pulse laser andthe second pulse laser, wherein the first laser unit comprises a laser source and an electro-optical modulator; and the electro-optical modulator used for receiving a laser signal emitted by the lasersource and modulating the laser signal into first pulse laser. The device further comprises a control unit, and the control unit is connected with the electro-optical modulator and used for controlling the working state of the electro-optical modulator so that the pulse width of the first pulse laser can be larger than or equal to the sum value of the pulse width of the second pulse laser and thepreset delay duration. The laser sum frequency device is used for sum frequency of laser.
Description
technical field [0001] The invention relates to a laser sum frequency device, which belongs to the field of lasers. Background technique [0002] At present, the nonlinear frequency conversion technology is one of the effective technologies to extend the laser output wavelength. Nonlinear frequency conversion technology is a laser that generates a new frequency through the nonlinear optical effect of the optical medium, such as frequency doubling, sum frequency, and optical parametric oscillation. [0003] Among them, the sum frequency in the nonlinear frequency conversion technology needs two laser beams when generating a new frequency laser. In practical applications, a common wavelength laser can be generated by the same laser source to generate two pulsed lasers and then the sum frequency is generated, but For some lasers with special wavelengths, two independent pulsed lasers need to be generated by two laser sources and then the sum frequency is generated. For the su...
Claims
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Login to View More IPC IPC(8): H01S3/109H01S3/115H01S5/06
CPCH01S3/109H01S3/115H01S5/0604H01S5/0615
Inventor 戴殊韬林文雄黄见洪吴鸿春吴丽霞翁文葛燕郑晖李锦辉陈恩泽邓晶
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI