Nanjing Crylink Photonics Co.,Ltd

Ytterbium-doped YAG (Yb: YAG) is a kind of energetic laser crystal with laser wavelength of 1030 nm, which is one of one of the most encouraging laser energetic materials. It has a large absorption band of 18 nm at 940 nm. It is one of one of the most beneficial crystals for high power diode-pumped solid-state lasers and also is better for diode-pumped than standard neodymium-doped crystals. It can pump 0.94 µm and produce 1.03 µm laser outcome. Contrasted to typically made use of Nd: YAG crystals, Yb: YAG crystals have a larger absorption data transfer to minimize thermal administration needs on diode lasers, a much longer upstate life time, and also a three to four times lower thermal tons each pump power. The concentration of the dopant ranges from 0 to 30% of the changed yttrium atom. Yb: YAG fractional home heating is really low, incline efficiency is very high, no ecstatic state absorption and also upconversion, high mechanical toughness, high thermal conductivity. Yb: YAG can be pumped by trustworthy InGaAs laser diodes at 940 or 970 nm. Yb: YAG crystals are expected to change Nd: YAG crystals for high-power diode-pumped lasers and other prospective applications, such as their doubling wavelength of 515 nm, which is extremely near to the doubling wavelength of Ar ion lasers (514 nm), making it a sensible alternative to big volume argon ion lasers.

Yb: YAG shows terrific potential as a high power laser material. Industrial lasers are being created for a variety of applications, such as steel cutting as well as welding. With top quality Yb: YAG now offered, a lot more locations as well as applications are being checked out.

Cobalt spinel, chemical formula Co2+: MgAl2O4,,, spinel is a hard, stable crystal that brightens well. Cobalt quickly changes magnesium in spinel without the demand for extra charge-compensating ions. Passive Q-switches or saturable absorbers create high-power laser pulses without the use of electro-optic Q-switches, lowering bundle dimension and removing high-voltage power materials. Carbon monoxide: Spinel has actually been shown to be a really reliable passive Q-switch for giving off 1.2 µm - 1.6 µm lasers. Co2+ triggered MgAl2O4 (Co: MALO, Carbon monoxide: back) can be utilized as a tool for easy Q-switching of lasers operating in the 1.3 - 1.6 µm spooky range. Examples are 1.32 µm and 1.44 µm Nd: YAG lasers, 1.31 µm iodine lasers, and also specifically 1.54 µm erbium glass lasers. The completely high absorption cross-section of the carbon dioxide+ ion as well as the functional lack of excited-state absorption make this material an extremely reliable passive Q-switch (without the requirement for intracavity) for numerous types of erbium glass lasers, including diode-pumped integrated circuits. emphasis). Minimal excited-state absorption causes high-contrast Q-switching operation with a ratio of preliminary (small-signal) to saturable absorption greater than 10. Qualities of Co: Spinel.

Low optical losses in the wavelength series of 1,3 µm - 1,6 µm.

The high laser-induced damages threshold.

Application of Carbon Monoxide: Spinel.

Shuffle is an easy emitter of passive Q that can be made use of for semiconductor changing security lasers operating at the human eye wavelength of 1.5 μm. Because the 1.5 μm transmitter appropriates for the sector at first due to the application of the 1.5 μm medium-wavelength waveguide, so when it comes to this wavelength, and also some sensitive eyes are sensitive. (Ge and also InGaAs photodiodes) schedule.

Passive Q-switch for Er: Glass @ 1.54 µm.

Advantages of Co: Spinel.

Cobalt-doped magnesium aluminate spinel (Co: MgAl2O4) can create brief millisecond pulses with high peak power around the eye-safe wavelength of 1.5 μm, making it suitable for telemetry applications. It has the benefits of high absorption section, lengthy service life, uniform cobalt distribution, and also absorption bandwidth.

Neodymium doped yttrium vanadate (Nd: YVO4) is a kind of laser crystal extensively utilized today. It has outstanding performance and also is among the primary laser crystals for semiconductor pumped strong state lasers presently. Nd: YVO4 crystal is a tetragonal crystal, belonging to the uniaxial crystal system, which is composed of doped ion Nd and also laser matrix YVO4.

Compared to another generally utilized Nd: YAG crystal, Nd: YVO4 has the advantage of higher absorption coefficient. In a certain series of absorption bandwidth, the absorption performance of Nd: YVO4 is 5 times that of Nd: YAG, the data transfer is 2.4-6.3 times that of Nd: YAG, and also the height wavelength of the absorption height is reached at regarding 808nm, which has actually fulfilled the needs of existing high-power laser diodes. The promoted random sample of Nd: YVO4 at 1064nm and 1342nm are bigger, as well as the boosted random sample of Nd: YAG at 1064nm are about 3 times that of Nd: YAG. Additionally, Nd: YVO4 displays high birefringence as well as reduced damages threshold. These qualities have excellent application value, to ensure that Nd: YVO4 laser dimension is small, with high power. Another essential function of Nd: YVO4 is that it is a uniaxial crystal system, which can only produce linearly polarized light. When integrated with LBO, BBO and KTP nonlinear crystals, it can accomplish excellent frequency increasing conversion result, to ensure that it can outcome a range of various kinds of lasers such as near-infrared, environment-friendly, blue and ultraviolet.

Nd: YVO4 laser as well as its frequency doubler can be utilized in optical dimension, sensor, laser printing, clinical discovery, high thickness optical memory and also other areas, as well as in laser communication and laser varying applications can be made use of in harsh problems. With the constant development of the world laser industry range, Nd: YVO4 market room is likewise raising.

Nd: YAG crystal item, additionally known as neodymium-doped yttrium aluminium garnet crystal, is a kind of laser medium crystal with great comprehensive performance for solid-state laser. YAG has actually been and also will certainly remain to be the more extensively utilized laser crystal; whether strong state or lamp pump, CW or pulse, it has an one-of-a-kind combination of qualities conducive to laser procedure.

Nd: YAG pump tube of making use of triggered substances crystal mostly krypton light or xenon light and also pump broadband emission spectrum is a continual range, but just a few fixed range top soaked up by neodymium ions, so the pump is only a tiny part of the useful spectrum power is used, and many are not soaked up range power is transformed to heat energy, so the energy utilization ratio is reduced. The Nd: YAG absorption range ranges from 0730 to 0760 microns and also 0.790 microns to 0.820 microns. The range can be absorbed, and then it will trigger the atom to shift from reduced to greater power degrees. Some atoms that shift to a higher power degree will shift to a reduced power degree, as well as a single range with the same regularity will certainly be released. Still, the emitted range has no set direction as well as phase, so the laser can not be formed yet.

(1) What is Er glass ？ Er3+, Yb3+ co-doped phosphate glass (Er, Yb: phosphate glass) is a prominent and also typically utilized active device for lasers creating in the "eye-safe" spectral range of 1,5-1,6 µm.

(2) What's the mechanism of erbium glass? Phosphate glass incorporates a long life time (~ 8 ms) of 4I13/2 Er3+ top laser degree with a low (2-3 ms) life time of 4I11/2 Er3+ level that continues to be in resonance with Yb3+ 2F5/2 fired up state. Quick non-radiative multi-phonon recreation from 4I11/2 to 4I13/2 level substantially lowers the back-energy transfer as well as up-conversion losses because of the interaction between Yb3+ and Er3+ ions, happy at the 2F5/2 in addition to the 4I11/2 levels, respectively. Essentially continually, erbium-ytterbium-doped phosphate glass is pumped with wavelengths around the 975-nm absorption elevation of Yb3+ ions. That leads to the excitation of the ytterbium ions. After that, the excitation power may be transferred to neighboring erbium ions-- see the short article on power transfer as well as likewise Fig. 1. After an efficient power transfer, one initial has an Er3+ ion in the 4I11/2 state (much more specifically, a Stark degree manifold), which has comparable excitation energy as the Yb3+ ions. From that state, the ions typically go through a fast non-radiative shift to the state 4I13/2, regularly made use of as the top laser level. Such non-radiative shifts happen based upon multi-phonon discharge, offered that the phonon power of the product is high enough (which holds for silica fibers, for example).

Optical buildings of the host tool such as uniform and inhomogeneous widening and thrilled as well as ground state absorption cross sections are figured out by the composition. Integrated silica is an extremely helpful host for applications where long amplifiers can be made use of. It has high toughness, low expansion and also excellent optical transmission properties in addition to greater chemical stability and also far better mechanical properties than phosphate glasses. Though tiny silica laser tools have been shown to work, silica based systems suffer from the rare earth concentration being restricted by focus quenching (or "clustering"), low solubility and also various other unwanted results. More complicated silicate glasses can get rid of some of these problems but these types of glasses still have actually low Er stimulated emission cross sections and also low laser performances at 1.54 μm.

Er: YAG crystal, additionally called erbium-doped yttrium aluminum garnet, with the chemical formula Er: Y3Al5O12, is a well-integrated laser crystal presently extensively utilized in the clinical field areas. Er: YAG crystal is based on YAG crystal and Er3+ ions as doping ions. It comes from the cubic crystal system and also is one of the laser crystals that operate at room temperature.

What is Co: Spinel. Cobalt spinel, chemical formula Co2+: MgAl2O4, spinel is a hard, stable crystal that polishes well. Cobalt easily replaces magnesium in spinel without the demand for added charge-compensating ions. Easy Q-switches or saturable absorbers create high-power laser pulses without making use of electro-optic Q-switches, lowering bundle dimension and also getting rid of high-voltage power supplies. Co: Spinel has been shown to be a really efficient passive Q-switch for discharging 1.2 µm - 1.6 µm lasers. Activated MgAl2O4 (Co: MALO, Co: spine) can be utilized as a tool for easy Q-switching of lasers operating in the 1.3 - 1.6 µm range. Instances are 1.32 µm as well as 1.44 µm Nd: YAG lasers, 1.31 µm iodine lasers, and also specifically 1.54 µm erbium glass lasers. The completely high absorption cross-section of the carbon dioxide+ ion as well as the useful absence of excited-state absorption make this material a very efficient passive Q-switch (without the need for intracavity) for different sorts of erbium glass lasers, including diode-pumped silicon chips. emphasis). Negligible excited-state absorption causes high-contrast Q-switching operation with a ratio of first (small-signal) to saturable absorption more than 10.

Attributes of Co: Spinel. Low optical loss in the 1,3 µm - 1,6 µm wavelength range. The high laser-induced damage limit. Application of Carbon Monoxide: Spinel. Shuffle is a passive emitter of passive Q that can be made use of for semiconductor changing safety and security lasers running at the human eye wavelength of 1.5 μm. Considering that the 1.5 μm transmitter appropriates for the market initially due to the application of the 1.5 μm medium-wavelength waveguide, so in the case of this wavelength, and some delicate eyes are sensitive. (Ge and also InGaAs photodiodes) schedule. Passive Q-switch for Er: Glass @ 1.54 µm. Advantages of Carbon Monoxide: Spinel. Cobalt-doped magnesium aluminate spinel (Co: MgAl2O4) can produce short nanosecond pulses with high peak power around the eye-safe wavelength of 1.5 μm, making it suitable for telemetry applications. It has the benefits of high absorption section, lengthy service life, consistent cobalt distribution, and absorption bandwidth. high absorption section. long service life. consistent cobalt distribution. absorption transmission capacity.

The 2μm Tm: YAG laser has promising potential in the disciplines of LIDAR, laser ranging, and laser medicine. The most major benefit of the Tm laser in medical treatment over other lasers is that it can efficiently promote tissue coagulation and vaporization, as well as having a good hemostatic activity.

When the laser is activated, the ocean evaporates the majority of the energy and expands rapidly. When the temperature reaches the boiling point of water, the surface tension generated by the vaporized bubbles exceeds the maximum tension of the tissue surface, destroying the structure and jettisoning the ablation from the tissue surface.

2000nm Laser (Tm: YAG) 1. Laser Crystal-Tm: YAG 2. L1, L2, L3, L4 lenses

1064nm Nd: YAG Laser For Medical Testing

The MCA series microchip laser is a semiconductor-based passively Q-switched solid-state laser. The laser pulse has no tail, the single pulse energy is stable, and the beam quality is excellent. The tiny laser head's integrated semiconductor pump module and laser crystal make it simple to install and integrate. Internal and external triggering is enabled by the system. There are four wavelengths in this series: 1064nm, 532nm, 355nm, and 266nm. Customers can use the entire sealing module inside the laser head for secondary development and application.

1064nm Nd: YAG Laser For Medical Aesthetics

Microchip Laser System 1064nm 550ps Microchip Laser System of MCB Series 1064nm 750ps Microchip Laser System of MCC Series 1064nm 350ps Microchip Laser System of MCD Series 1064nm 550ps Microchip Laser System of MCG Series 1064nm 350ps Microchip Laser System of MCH Series

Narrow Linewidth Laser 1064nm Narrow Linewidth Semiconductor Laser

Gain medium - Nd YAG

Its depth of penetration with minor lesions provides near non-invasive therapy and proves accurate, safe, and efficient skin resurfacing and scar removal with minimal downtime, due to sophisticated non-ablative 1550 nm Erbium glass fractional laser technology.

In the 1550 nm band, Er3+/Yb3+ co-doped phosphate glass emits a laser that is both safe and easy to measure, and this band also correlates to the fiber's low-loss window. This material's lasers have a wide range of applications in optical communication, laser radar, laser ranging, and other fields. Lasers constructed of this material can also be used in the medical area because the visual medium has a poor transmittance to laser radiation of 1530-1560m wavelength and it is difficult to injure the retina.

Theory

Gain medium Er: Yb Glass

It's used to create a 1500nm laser. The Er is a three-level structure with a low pump radiation absorption rate and a low output energy. It is the safest for the human eye and penetrates well in smoke since it emits a laser with a wavelength of 1500nm. It has a wide range of uses in both military and civilian contexts.

It's used to build a 1500nm laser. The Er is a three-level structure with a low pump radiation absorption rate and low output energy. It is the safest for the human eye and penetrates well in smoke since it emits a laser with a wavelength of 1500nm. It has a wide variety of uses in both military and civilian environments.

Feature

Simple structure

Can be strongly absorbed by water

High reliability and low cost

Simple structure

In the communication window

In the human eye safety band

Application

Treating Acne Scars

Non-exfoliated erbium-doped glass fiber lasers with a wavelength of 1 550 nm and ultra-pulsed carbon dioxide lattice lasers with a wavelength of 10 600 nm are the most often utilized lattice lasers for the treatment of acne scars. They've had amazing results in the treatment of acne scars. The negative effects of single CO2 laser treatment were much greater than those of erbium-doped laser treatment.

The Treatment Of Melasma

Chloasma is a frequently clinically acquired pigment-enhancing condition that often arises in the exposed area and has a significant impact on the patient's look and beauty. The treatment of chloasma with a 540nm non-exfoliation lattice laser is successful, safe, and has no apparent side effects. It's a brand-new therapy method.

The Treatment Of Inflammatory Facial Acne