CY0484 Er:YAG (Erbium-doped Yttrium Aluminium Garnet)

Notes:

1. To inquire or order a finished crystal, please provide the specifications as listed above. For most applications, we only need to know the following:

1) Nd-dopant concentration;  2) Sizes;  3) Surface quality;  4) Coating.

2. For special requests, please provide a detailed specification for evaluation and fabrication.

Er: YAG Applications

1. Dermatology and Aesthetics:

· Skin Resurfacing: Er:YAG lasers are used for fractional skin resurfacing to treat wrinkles, scars, and pigmentation irregularities.

· Tattoo Removal: They are effective in breaking down tattoo ink particles for tattoo removal procedures.

2. Dentistry:

· Dental Drilling: Er:YAG lasers are employed for cavity preparation, dental enamel ablation, and soft tissue procedures, offering precise and minimally invasive treatments.

· Periodontal Treatment: They can be used for gum disease treatment, pocket sterilization, and gingivectomy.

3. Medical Applications:

· Ophthalmology: Er:YAG lasers are used for procedures like cataract surgery and LASIK (Laser-Assisted in Situ Keratomileusis).

· Lithotripsy: They can be used for non-invasive fragmentation of urinary and gallbladder stones.

4. Materials Processing:

· Precision Cutting and Drilling: Er:YAG lasers can cut and drill various materials, including metals and ceramics, with high precision.

· Microfabrication: They are used for microstructuring and micromachining processes.

5. Telecommunications:

· Optical Fiber Amplifiers: Er:YAG crystals are used as gain media in optical fiber amplifiers to amplify signals in the 1.5-micron wavelength range, which is essential for long-distance telecommunications.

6. Spectroscopy:

· Infrared Spectroscopy: Er:YAG lasers are used in research and analytical instruments for spectroscopic applications, such as analyzing chemical compounds and detecting trace gases.

7. Research and Development:

· Scientific Research: Er:YAG lasers play a crucial role in various research applications, including laser physics, materials science, and quantum optics.

8. Defense and Security:

· Target Illumination: They are used for target illumination and range finding in military and defense applications.

· Countermeasures: Er:YAG lasers can be employed for countermeasure systems to disrupt or blind sensors and targeting systems.

Er: YAG Packing

Er:YAG (Erbium-doped Yttrium Aluminium Garnet) are securely packaged in moisture-resistant, anti-static, and shock-absorbing materials. Custom packaging options, such as cleanroom packaging, are also available for sensitive applications.

Er: YAG FAQs

Q1 What is the lasing wavelength of Er:YAG lasers?

Er:YAG lasers operate at 2.94 µm, a wavelength highly absorbed by water, making it particularly effective for applications involving biological tissues and water-rich materials.

Q2 Why is Er:YAG ideal for medical and dental applications?

• Precise Ablation: The 2.94 µm wavelength is highly absorbed by water, enabling precise cutting and ablation without damaging surrounding tissues.
• Minimized Heat Damage: Efficient energy absorption reduces thermal damage to adjacent areas.
• Versatility: Suitable for both hard and soft tissue applications.

Q3 What is the efficiency of Er:YAG lasers?

Er:YAG lasers are highly efficient, offering good energy conversion rates and stable operation due to the excellent optical and thermal properties of the YAG host crystal.