Technology
High Power, High Performance UV Laser Technology
Through technology improvment which increases the damage threshold of LBO , the life of the UV laser is also increased effectively and the excellent beam quality of UV laser is obtained.
Maiman Laser Core Technology:
● Wavelength-locked in-band pumping technology solves the thermal effect of lasers;
● Cavity optimization + active clean processing + ultraviolet light isolation technology， solve the problem of triple frequency crystal damage;
● Cavity thermal stabilization technology + thermal isolation technology， ensure long-term stability of laser power.
The Problems We Solved
Laser Thermal Effect
- Thermal Lensing
- Thermal Diffraction Loss
- Thermal Rupture
- Effect of High Temperature on Laser Performance of Crystal
Reasonable mode matching ensures perfect beam quality;
The wavelength-locked resonant pumping technology fundamentally solves the thermal effect of the laser;
Using a fully new resonant cavity configuration, the optical path is more stable;
The following is a comparison between the traditional technical solution and the Maiman technical solution
Resonant Pumping
Traditional Pumping
Theory and practice show that the resonant pumping technology can effectively improve the quantum efficiency and reduce the thermal effect of the laser.
(1) Beams change through thermal lens in Maiman laser cavity configuration
(2) Beams change through thermal lens in traditional method
Through the rational design of the resonating cavity, the beam pointing stability is ensured, and the rate of change of the light spot with the thermal lens effect is reduced.
Triple Frequency Crystal Damage
- Wavelength effect of crystal damage
- Multi-pulse Fatigue Effect of Crystal Damage
- Anisotropy of damage threshold
- Light absorption damage due to pollution
Resonant cavity optimization + active cleaning process + de-metallized UV light isolation technology has solved the problem of triple frequency crystal damage
Through the improvement of the process, the damage problem of the triple frequency crystal is effectively solved, and the life and stability of the ultraviolet laser are improved.
Misalignment and long-term stability of optical path
- Asymmetric structure increases light path sensitivity
- Optical path misalignment sensitivity
- Light path relief due to material deformation
- Influence of Temperature Control Accuracy on Power Stability
Resonating cavity thermal stabilization technology + resonating cavity thermal isolation technology + material processing technology ensure the long-term stability of the laser
Through the improvement of the process, the damage problem of the triple frequency crystal is effectively solved, and the life and stability of the ultraviolet laser are improved.
Ultrafast Laser Technology Based on Microchip Chirp Amplification
The microchip chirp amplification technology which solves the problems of short life and poor beam quality of ultrafast lasers, and reduces cost of the ultrafast lasers simultaneously.
Core Technology:
● Microchip laser technology can solve the problem of Sesam damage and improves the stability of the seed source greatly;
● Chirp pulse width compression technology saves the pulse-pick procesing and reduces cost of laser;
● Ultrafast laser technology with microchip chirp amplification can adjust the pulse width and pulse shape by rotating the incidence angle of VBG;
Maiman core technology
- Microchip laser technology with modulated pump
- and controllable repetition frequency
- Chirped pulse width compression technology
- Ultrafast laser technology with microchip chirped amplification
Key Problems Solved
Effectively solve the problem of Sesam damage, greatly improving the stability of the ultrashort pulse seed source;
The menu step is omitted, which greatly reduces the cost;
The pulse width and waveform can be adjusted through the spectrum selection of VBG;
Solid State MOPA Amplification and Nonlinear Frequency Conversion Technology
The hundred-watt-level solid-state laser with high beam quality and multi-wavelength is obtained by using MOPA technology which improves the processing capacity for material processing effectively.
Core Technology:
● High repetition frequency and short pulse width seed source technology achieve high quality laser seed output.
● Gain guiding effect controling + thermal lens spherical aberration compensation technology obtain the high power laser with high beam quality;
● In-band pumping technology + quasi-slab MOPA technology improves the upper limit of laser output power;
This technology has achieved 1064nm laser output power > 140W@40kHz, beam quality M ^ 2; in the later stage, it can realize high peak and narrow pulse width ultraviolet laser (15-60W), narrow pulse width and high repetition frequency green laser (30-120W) , narrow pulse width and high peak infrared (50-200W), deep ultraviolet 266nm laser (5-20W)
Intellectual Property
At present, the bottleneck problem of laser power attenuation has been successfully solved, and the performance has reached the international advanced level; the unique MOPA and ultra-fast laser technology is also synchronized with the international level in terms of performance. Maiman focuses on laser-related technologies, and has authorized and published more than 60 technologies, realizing comprehensive intellectual property protection.
| NO. | Patent | Database | Patent No. | Status |
| 1 | Broadband Ti∶Sapphire tunable Raman laser | Invention patent | 201210148240.7 | Authorized |
| 2 | Passive Q-regulating laser device and its laser generation method | Invention patent | 201510112477.3 | Authorized |
| 3 | Separated passive Q-switched ultraviolet laser | Utility model | 201520146614.0 | Authorized |
| 4 | Passive Q-switched laser | Utility model | 201520146133.X | Authorized |
| 5 | A kind of two gain crystal passive Q-regulaitng laser | Utility model | 201520146131.0 | Authorized |
| 6 | A kind of flat-concave cavity passive Q-regulaitng laser | Utility model | 201520146656.4 | Authorized |
| 7 | The passive Q-adjusted green (light) laser of a kind of separate type | Utility model | 201520158027.3 | Authorized |
| 8 | A kind of photodetector integrated optoelectronic device | Utility model | ZL201820082905.1 | Authorized |
| 9 | A kind of signal and pumping laser hybrid integrated device | Utility model | ZL201820089656.9 | Authorized |
| 10 | Laser marking device for marking movable agricultural and sideline products | Utility model | ZL201721050418.9 | Authorized |
| 11 | Full-automatic laser coding system | Software invention | 2018SR615410 | Authorized |
| 12 | Atmospheric measurement laser power receiving system V1.0 | Software invention | 2018SR615414 | Authorized |
| 13 | Atmospheric measurement laser power emission system V1.0 | Software invention | 2018SR702821 | Authorized |
| 14 | Maiman laser real-time monitoring and controller | Software invention | 2018SR618200 | Authorized |
| 15 | High peak 559nm yellow-green laser of LD modulation pump | Utility model | 2020224627398 | Authorized |
| 16 | High peak 588nm yellow laser of LD modulation pump | Utility model | 2020224679123 | Authorized |
| 17 | Laser crystal double-side polishing device | Utility model | 2020224619955 | Authorized |
| 18 | Double-crystal multi-wavelength continuous laser | Utility model | 202022467571X | Authorized |
| 19 | Adjustable double-workbench parallel laser | Utility model | 2020224641554 | Authorized |
| 20 | Totally-enclosed double-transistor electro-optic Q-switch | Utility model | 2020224688508 | Authorized |
| 21 | Dual-wavelength pump laser | Utility model | 2020224632574 | Authorized |
| 22 | Double-crystal multi-wavelength continuous laser | Utility model | 2020224681299 | Authorized |
| 23 | Bicrystal multi-wavelength Raman laser | Utility model | 2020224620238 | Authorized |
| 24 | High peak Raman laser of LD modulation pump | Utility model | 202022467677X | Authorized |
| 25 | Adjustable semiconductor pumping laser marking machine | Utility model | 202022464299X | Authorized |
| 26 | Adjustable pump laser | Utility model | 2020224702524 | Authorized |
| 27 | Double-crystal adjustable wavelength division multiplexer | Utility model | 2020224639893 | Authorized |
| 28 | High-power polycrystal multi-wavelength beam combination laser | Utility model | 2020224682215 | Authorized |
