introduction
In the rapid development of modern science and technology, laser technology has become an indispensable tool in many fields. From medical beauty to industrial manufacturing, to communications and scientific research, laser applications are widespread and far-reaching. different
Types of laser materials are suitable for different application scenarios due to their unique physical and optical properties. Choosing the right laser material is crucial to achieving efficient and stable laser output. This article will go into depth
Let's parse the source code of a web page called "Laser Material Properties Query", which aims to help readers understand the implementation of its functions and comprehensively understand the characteristics of various laser materials.
concept:
1. The importance of laser materials
Laser materials are the core components of lasers, and their performance directly affects the efficiency, power, wavelength and application range of the laser. Common laser materials include doped crystals, glass and organic matter, etc.
Each material has its own unique laser characteristics and application areas.
2. Key properties of laser materials
Laser wavelength: determines the color of the laser and its propagation characteristics in different media.
Stimulated emission cross-section: affects laser gain and efficiency.
Upper energy level lifetime: affects the output power and pulse characteristics of the laser.
Pump wavelength: The wavelength of the light source required to excite the laser material.
Thermal conductivity: Affects a material's ability to manage heat in high-power laser applications.
Refractive index: affects the optical transmission characteristics of laser.
Thermal expansion coefficient: affects the stability of materials under temperature changes.
Optical uniformity and laser damage threshold: determines a material's suitability for high beam quality and high power applications.
How to use:
1. Visit the web page: Open the "Laser Material Properties Query" web page.
1. Visit the web page:
Open the "Laser Material Properties Query" web page.
2. Select material: Select the laser material you want to query in the drop-down menu.
2. Choose materials:
Select the laser material you want to query in the drop-down menu.
3. View properties: The system will automatically display detailed property information of the selected material, including laser wavelength, stimulated emission cross-section, upper energy level lifetime, etc.
3. View properties:
The system will automatically display detailed property information of the selected material, including laser wavelength, stimulated
Radiation cross section, upper energy level lifetime, etc.
4. Comparative analysis: Based on the displayed property information, users can compare different materials to select the laser material that best suits specific application needs.
4. Comparative analysis:
Based on the displayed property information, users can compare different materials to select the most suitable
Laser materials for specific application needs.
Example:
Detailed explanation of laser materials:
The following are some common laser materials listed on the webpage and their detailed introduction:
1. Nd (neodymium-doped yttrium aluminum garnet) laser wavelength: mainly 1064nm, supplemented by 946nm, 1319nm and 1444nm. Stimulated emission cross-section: 2.8×10⁻¹⁹cm² (at 1064nm). Upper energy level lifetime: about 230 microseconds. Pump wavelength: 808 nm. Thermal conductivity: 14W/m
- K (along axis). Refractive index: 1.82 (at 1064nm). Thermal expansion coefficient: 7.8×10⁻⁶/K. Optical uniformity: high, suitable for high beam quality applications. Laser Damage Threshold: High, suitable for high power applications. Applications: Industrial cutting, welding, medical surgery and high beam quality and high power lasers.
1. Nd (neodymium doped yttrium aluminum garnet)
Laser wavelength: mainly 1064nm, supplemented by 946nm, 1319nm and 1444nm.
Stimulated emission cross-section: 2.8×10⁻¹⁹cm² (at 1064nm).
Upper energy level lifetime: about 230 microseconds.
Pump wavelength: 808 nm.
Thermal conductivity: 14W/m·K (along axis).
Refractive index: 1.82 (at 1064nm).
Thermal expansion coefficient: 7.8×10⁻⁶/K.
Optical uniformity: high, suitable for high beam quality applications.
Laser Damage Threshold: High, suitable for high power applications.
Applications: Industrial cutting, welding, medical surgery and high beam quality and high power lasers.
2. Yb (ytterbium-doped yttrium aluminum garnet) laser wavelength: 1030nm. Stimulated emission cross section: 2.1×10⁻²⁰ cm². Upper energy level lifetime: about 1 millisecond. Pump wavelength: 941nm or 968nm. Thermal conductivity: 6–7W/m
- K. Refractive index: 1.82 (at 1030nm). Thermal expansion coefficient: 7.8×10⁻⁶/K. Advantages: high laser efficiency, low heat load. Laser Damage Threshold: High. Applications: Industrial manufacturing, scientific research and military laser systems.
2. Yb (ytterbium-doped yttrium aluminum garnet)
Laser wavelength: 1030nm.
Stimulated emission cross section: 2.1×10⁻²⁰ cm².
Upper energy level lifetime: about 1 millisecond.
Pump wavelength: 941nm or 968nm.
Thermal conductivity: 6–7W/m·K.
Refractive index: 1.82 (at 1030nm).
Thermal expansion coefficient: 7.8×10⁻⁶/K.
Advantages: high laser efficiency, low heat load.
Laser Damage Threshold: High.
Applications: Industrial manufacturing, scientific research and military laser systems.
3. Ti (titanium sapphire) laser wavelength: wide tunable range, 650–1100nm. Stimulated emission cross-section: 3×10⁻¹⁹cm² (at 800nm). Upper energy level lifetime: about 3.2 microseconds. Pump wavelength: 514nm, 532nm. Thermal conductivity: 33W/m
- K (along axis). Refractive index: 1.76 (at 800nm). Thermal expansion coefficient: 5.0×10⁻⁶/K. Gain bandwidth: wide, supports ultra-short pulses (<10 femtoseconds). Applications: Ultrafast laser science, nonlinear optics and precision spectroscopy.
3. Ti (titanium sapphire)
Laser wavelength: wide tunable range, 650–1100nm.
Stimulated emission cross-section: 3×10⁻¹⁹cm² (at 800nm).
Upper energy level lifetime: about 3.2 microseconds.
Pump wavelength: 514nm, 532nm.
Thermal conductivity: 33W/m·K (along axis).
Refractive index: 1.76 (at 800nm).
Thermal expansion coefficient: 5.0×10⁻⁶/K.
Gain bandwidth: wide, supports ultra-short pulses (<10 femtoseconds).
Applications: Ultrafast laser science, nonlinear optics and precision spectroscopy.
4. Er (erbium-doped yttrium aluminum garnet) laser wavelength: 2940nm. Stimulated radiation cross section: 8×10⁻²⁰cm². Upper energy level lifetime: about 4 milliseconds. Pump wavelength: 1532nm, 1470nm. Thermal conductivity: 14W/m
- K. Refractive index: 1.79 (at 2940nm). Applications: Medical aesthetics (such as dental surgery, skin treatment), precision material processing and lidar.
4. Er (erbium-doped yttrium aluminum garnet)
Laser wavelength: 2940nm.
Stimulated radiation cross section: 8×10⁻²⁰cm².
Upper energy level lifetime: about 4 milliseconds.
Pump wavelength: 1532nm, 1470nm.
Thermal conductivity: 14W/m·K.
Refractive index: 1.79 (at 2940nm).
Applications: Medical aesthetics (such as dental surgery, skin treatment), precision material processing and lidar.
5. Alexandrite (chromium-doped beryl) laser wavelength: 700–820nm, tunable. Stimulated emission cross section: 1×10⁻¹⁹cm². Upper energy level lifetime: about 260 microseconds. Pump wavelength: 630nm, 680nm. Thermal conductivity: 23W/m·K (along the c-axis). Refractive index: nₒ=1.75, nₑ=1.
748. Applications: Medical aesthetics (such as laser hair removal), spectroscopy research and tunable laser manufacturing.
5. Alexandrite (chromium-doped beryl)
Laser wavelength: 700–820nm, tunable.
Stimulated emission cross section: 1×10⁻¹⁹cm².
Upper energy level lifetime: about 260 microseconds.
Pump wavelength: 630nm, 680nm.
Thermal conductivity: 23W/m·K (along the c-axis).
Refractive index: nₒ=1.75, nₑ=1.748.
Applications: Medical cosmetology (such as laser hair removal), spectroscopy research and tunable laser manufacturing
make.
If you find any problems or errors while using the calculator, please contact us in time, we will make corrections in time, and to thank you for your trust and supervision, we have specially prepared it for you
A "Supervision Award". If you have anything else you need to add, please feel free to contact us. We are very honored to be able to provide some convenience for your scientific research experience. The road to scientific research is long and difficult.
I wish all experts and scholars success in their scientific research and early results!
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| Nonlinear Crystals | BBO, LBO, KTP crystals | View Collection → |
| Ultrafast Lasers | Ti:Sapphire & Yb systems | View Collection → |