Category: infrared laser diode

Structure of 830nm Infrared Laser Diode Module

830nm infrared laser diode module
830nm infrared laser diode module

Usually 830nm infrared laser diode module applies a qualified optic lens and import 830nm infrared laser diode inside a high duration housing tube. It is in need to make long time lasting and high energy density infrared laser beam emission at several miles far away. It makes long time lasting dot indication for night version illumination and dark working environments etc. Whenever this ultra compact size tube made 830nm infrared dot laser makes proper installation and integration with other night version device, it is able to make ultra precise, good direction and highly precise infrared dot indication and measurement for multiple working environments.
In front part of beam aperture, this 830nm infrared laser diode module applies a qualified glass coated lens. It adopts high quality optical materials with good optical properties, such as high transmittance and low dispersion etc. In addition, when it gets special use of adjustable focus optic lens in front of beam aperture, after its operation with low laser beam divergence angle and high concentration infrared laser light source generation at long extending distance, this infrared dot laser is able to make efficient conversion of increasing accuracy and brightness infrared reference dot projection onto various working surfaces.
In practical precise dot measurement, 830nm infrared laser diode module applies highly durable anodized aluminum alloy housing tube, which has featured advantages of high strength, light weight and good heat dissipation. Within wide range operating temperature and other harsh working environments, it gets superior nice thermal conductivity, and ultra stable infrared reference dot projection in long time use. Owing to its carefully designed and processed, which has got good sealing and impact resistance, allows quite easy installation and integration with other night version devices.
Integrated with APC, ACC driving circuit board, within wide range output power of 5mW to 100mW, 830nm infrared laser diode module keeps work with constant output power and electric current supply, and maintains ultra stable infrared reference dot projection in long time use. It gets no effect by overheating and current limitation protection, thus it gets reduced tube burning out or damage, and long serving lifetime in proper use.
Applications:
Night version and monitoring: in the field of security monitoring, 830nm infrared laser diode module can be used as night version supplementary light source, providing clear monitoring images at night or in low light environments. Human eyes can capture any IR laser light at this wavelength, which can achieve concealed monitoring result.
Communication field: 830nm infrared laser can be used for short-distance high-speed laser communication systems, such as indoor wireless optical communication, close-range point-to-point communication, etc., with the advantages of high bandwidth and strong anti-interference.
Medical cosmetology: 830nm near-infrared laser light is used in medical cosmetology, it makes perfect control of inflammation and has a more obvious effect of promoting healing and repair. It can be used for postoperative wound healing and reducing edema.
Industrial detection: In industrial production, it can be used for object position detection, size measurement, defect detection, etc. With photoelectric sensors, it can accurately measure the displacement, vibration and other parameters of the object, and monitor the quality and operation status of the products on the production line.
Laser simulation training: In military training and simulated confrontation systems, 830nm infrared laser diode module can simulate the laser beam emitted by weapons, which is used to train soldiers’ aiming, shooting skills and tactical coordination.

Featured Use of 808nm Infrared Laser Diode Module

The general use of a 808nm infrared laser diode module integrates an import 808nm infrared laser, electric driving circuit board, and optical component inside a durable and small size housing tube. Featured by ultra compact and durable anodized aluminum alloy housing tube design after its easy connects with electric power source, this accessory part of a IR dot laser enables quite easy installation, easy integration with various devices, and quick response infrared dot alignment for all night version dot measuring fields conveniently.

808nm infrared laser diode module
808nm infrared laser diode module

In process of long time lasting infrared dot projection work, 808nm infrared laser diode module gets good heat dissipation design. It should be working for a quite long time and maintaining ultra stable IR dot generation in long time use. It applies an import 808nm infrared laser diode within different output power range of 5mW to 400mW, and 500mW to 1000mW. Inside its durable anodized aluminum alloy housing tube design, designed with a metal heat sink cooling system, this infrared dot laser gets good thermal conductivity. It ensures that laser diode gets effectively dissipate heat during operation, while still maintains stable operating temperature, good performance and long lifetime of the module.

Besides the use of the use of a qualified glass coated lens, this 808nm infrared laser diode module still gets special use of a glass window in front of beam aperture. It gets quite low beam divergence angle, thus it always enables highly concentrated infrared laser light source emission, and high efficiency conversion of ultra clear and precise infrared dot generation at long extending distance. In practical precise dot measuring work, it maintains qualified output infrared light spot with good directionality and IR dot quality. After its proper infrared laser dot size and shape adjustment, this infrared dot laser always gets the most concentrated infrared laser light source generation, increasing accuracy and brightness infrared dot alignment at long extending distance.

Performance Advantages:

808nm infrared laser diode module enables high electro-optical conversion efficiency, which can efficiently convert the input electrical energy into 808nm IR laser energy. Within long lasting infrared dot alignment within 10 hours per day, it keeps work with reduced energy consumption, higher output power at the same output input with other visible lasers.

It enables good infrared laser beam quality and small beam divergence angle, thus high concentration IR laser light and uniform energy distribution convert into ultra precise and compact size infrared dot alignment for long distance transmittance and precise dot positioning. It gets great use for IR dot measurement, positioning, night version monitoring etc.

Applications:

Laser medical field: 808nm infrared laser light source is used for laser hair removal, infrared laser therapy, such as handheld infrared therapy device, which penetrates deeper tissues, reduces inflammation, relieves pain, and promotes blood circulation.

Industrial manufacturing: high efficient and high power infrared laser beam can improve productivity efficiency and processing quality in material processing work of laser welding, marking and other processes, and detect hidden cracks and PL in the photovoltaic industry.

Security monitoring: 808nm infrared laser module is used as the laser light source of laser night version devices, which provides clear images and videos in low light or dark environments, enhances monitoring effects, and is suitable for safe cities, intelligent transportation, border defense, and coastal defense.

Measurement and positioning system: laser rangefinders and laser radars with good directivity and precise light spot measurement for various measurement and positioning tasks.

Scientific research: it provides high purity infrared laser light source in spectroscopy research, precision experimental measurements and theoretical verification in fields such as quantum physics and optical communications.

Structural Features of 795nm Infrared Laser Diode Module

795nm infrared laser diode module
795nm infrared laser diode module

Employed by advanced semiconductor 795nm infrared laser diode and a qualified optic lens inside a durable housing tube, it is created into a quite professional night version device of an infrared laser diode module. This 795nm wavelength is located into the near infrared spectrum region, has good penetration and scattering features. On the basis of correct use of operating voltage electric power source, and proper installation to night version machine or device, it enables quick response, good directivity and highly precise infrared reference dot projection for all high precision measuring fields.
Featured performance:
After quite easy connects with an AC/DC adapter, not spending extra time on alkaline battery change, this 795nm infrared laser diode module is making constant infrared laser beam emission in distance. This 795nm near infrared wavelength enables low laser beam divergence, and highly concentrated infrared laser light emission. In process of continuous infrared dot indication, it gets low energy loss and improved measurement accuracy. Integrated with a metal heat sink cooling system inside a high duration metal housing tube, it still maintains good thermal emitting and thermal conductivity, and ultra stable infrared reference dot indication, good IR laser light penetration and scattering performance.
In order to get high stability IR dot generation in long time use, 795nm infrared laser diode module employs APC, ACC driving circuit board inside its durable anodized aluminum alloy housing tube. For instance, it gets low power fluctuations less than ±3% within 2 hours. When it gets stable polarization characteristics, and high polarization extinction ratio, it enables high lase beam stability and high consistency of the beam during transmission. Within long time lasting infrared laser dot indication of 10 hours, 795nm infrared dot laser still keeps good thermal energy saving, low thermal consumption and long lifetime operation.
Applications:
Spectral sensing: 795nm infrared laser is used for high precision spectral measurement in fields such as monitoring, food safety testing, biomedical research, and atomic clocks etc.
Medical field: long wavelength 795nm IR laser is used as an accessory part, which is applied for skin treatment and diagnostic equipment for phototherapy and skin disease detection.
IR dot positioning and motion control: invisible 795nm infrared laser provides accurate infrared laser beam pointing and measurement for positioning sensors and motion control system, thus it assures accurate movement and positioning of equipment.
In camera detectors, the presence of the camera is confirmed by the infrared reference dot reflective points scanned by infrared laser light. It can also be used in infrared space communication modules so as to achieve secure communication within a limited space.

Good Use of 780nm Infrared Laser Diode Module

780nm infrared laser module
780nm infrared laser module

When long wavelength 780nm is applied for the product of an infrared laser diode module, it belongs to a near infrared laser light, which is invisible to the human eyes and can achieve concealed lighting and positioning. It is mainly used for dark environment and night version working occasions. Being made with an import 780nm infrared laser diode and a qualified optic lens, connected with external electric power source, this night version made device is able to work with high concentration infrared laser light source emission, ultra clear and precise infrared dot indication under night version illumination fields conveniently.
In security monitoring or scientific observation without interfering, owing to its invisible IR laser light source emission, this 780nm infrared laser diode module is especially used for those of night version illumination fields. It gets high directivity infrared laser light source emission, which can propagate in a highly concentrated infrared laser beam at long extending distance, and convert into ultra compact size and precise infrared reference dot projection onto any targeting surface. Featured by high precision positioning and aiming, this infrared laser is especially applied for precision machining positioning in industrial productions, laser ranging etc, which provides accurate position information and improves work efficiency effectively.
The adoption of a qualified glass coated lens and adjustable focus lens enable good penetration infrared laser beam emission. 780nm infrared laser diode module has good IR laser light penetration ability in some media, can penetrate biological tissues, dusts with a certain thickness. It also gets superior advantages in medical imaging, detection and positioning in harsh working environments, such as security monitoring fill light in a smoke environments, or imaging of deep tissues in biomedical research.
Being made with APC, ACC driving circuit board, when 780nm infrared laser diode module gets constant power source of AC/DC adapter, it keeps work with constant output power and infrared laser beam emission in long time use. It gets perfect protection of itself under increasing temperature and serious electric current impact, thus it achieves ultra high stability infrared dot projection in long time use. Under different working conditions, infrared dot laser ensures good reliability and consistency in various applications, and reduces measurement errors or system failures by fluctuations in laser performance.
Application fields:
Security monitoring: 780nm infrared laser light source is used for night vision monitoring system, it helps monitoring personnel to observe the targeting area clearly at night or in low light environments. When it is used as a light curtain or trigger device for the security alarm system, it can trigger the alarm singles.
Medical field. Used for near infrared spectral imaging , 780nm infrared laser module assists doctors in detecting physiological information for disease diagnosis.
Industrial testing: based on the differences in the reflection and scattering characteristics of the material to 780nm infrared laser light, it is used for material surface detection and defect identification. It makes efficient positioning and tracking objects on the production line, and ensures the accuracy and stability of the production process and improves product efficiency and product quality.
Scientific research experiments: 780nm infrared laser diode module is commonly used in laser spectroscopy research to analyze the energy level structure and spectral characteristics of atoms and molecules. In optogenetics, neuronal activity is activated or inhibited to study the function of neural circuits and the mechanism of neurological diseases.

Prospects of 1064nm Infrared Laser Diode

1064nm single mode laser diode
1064nm single mode laser diode

Being made with long wavelength of 1064nm, the real use of a infrared laser diode enables high density and highly powerful infrared laser light source emission for all optical communication system, high precision raw material processing, and biomedical field effectively.

With the process of constant optical communication technology development towards high speed and large capacity, 1064nm infrared laser diode can be used to transmit and receive optical signals, providing a stable infrared laser light source from optical communication systems. In practical precise laser processing, it can achieve higher precision and higher efficiency raw material processing, fulfilling the manufacturing industrial need with high precision processing. When it is used for biomedical field, together with in-depth study of the optical properties of biological tissues, 1064nm infrared laser is playing a great role in biological imaging, disease diagnosis and laser medical treatment work etc.

Structures of 1064nm infrared laser diodes:
Single-photon avalanche 1064nm laser diode: The separated absorption-charge multiplication (SACM) structure is used to separate the absorption region and the multiplication region, which can more control the electric field distribution effectively. The double zinc diffusion technology is used to form the multiplication region and the guard ring region, which can reduce the possibility of edge collapse. Back-illuminated design is often used, with the n-type contact layer on the top surface and light irradiated from the back to avoid the top metal layer blocking the incident light.

DFB laser diode: 1064nm IR laser diode has a distributed feedback structure. By setting periodic Bragg gratings on both sides of the active area, optical feedback is provided to achieve single-frequency laser output.
DBR laser diode: The Bragg grating acts as a reflector, a doped fiber is encapsulated between two sections of the Bragg grating, and gain is provided by pumping the doped fiber in the middle.

Performance of 1064nm infrared laser diode:
Utilizing 1064nm as its central wavelength, this IR laser diode is among the infrared band, and has good penetration and low atmospheric absorption and scattering. Available with single mode or multi mode type, it gets different output power, continuous infrared laser light emission. The pulse IR light peak power can reach several kilowatts or even higher.
Featured by narrow line width, fiber coupled DBR 1064nm infrared laser can reach ultra fine line width of 3MHz. It achieves high speed modulation, and the modulation frequency can reach several GHz.

Advantages and disadvantages
Advantages: 1064nm infrared laser diode has high conversion efficiency and can efficiently convert electrical energy into light energy. It gets small size, light weight, compact structure, easy to integrate and install, which provides high reliability, long service life, and can work in harsh environments. It always makes fast response speed, high-speed optical signal modulation and transmission.
Disadvantages: The output power is relatively limited and it is difficult to meet the needs of some high-power applications; it is sensitive to the working temperature and needs to be equipped with a temperature control device; the beam quality is relatively poor, and there is a certain divergence angle and mode distortion.

Applications:
Laser processing: long wavelength 1064nm infrared laser diode is used for cutting, welding, punching, surface treatment, etc. of metal materials, which can achieve high-precision and high-efficiency processing.
Optical communication: 1064nm infrared laser diode is used as a light emission source for long-distance optical fiber communication systems, optical signal transmission, and exchange in optical networks.
LiDAR: it can be used for distance measurement and target detection in the fields of autonomous driving, mapping and environmental monitoring.
Biomedicine: ultra compact size tube made 1064nm laser diode is used for imaging and disease diagnosis of biological tissues, laser treatment work of freckle removal, hair removal, and treatment of vascular diseases.
Scientific research fields: used for spectroscopy research, quantum optics experiments, nonlinear optics research, etc.