Yb: KGW Description
Yb:KGW stands for Ytterbium-Doped Potassium Gadolinium Tungstate. It is a type of laser crystal that is doped with ytterbium (Yb) ions. Yb:KGW crystals are used as gain media in solid-state lasers.
Yb:KGW crystals are valued for their ability to produce laser light in the near-infrared (NIR) and infrared (IR) regions of the electromagnetic spectrum. They are used in various applications, including Industrial and Materials Processing, Scientific and Research Applications, and Medical Applications.
Yb: KGW Specifications
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Standard Dopant Concentration
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5%
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Orientation
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[010]
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Maximum Length
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50mm
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Length Tolerance
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+1.0 / -0.0mm
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Diameter Tolerance
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+/-0.1mm
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Parallelism
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< 30″
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Perpendicularity
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< 15'
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Surface Quality
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20/10 (MIL-PRF-13830B)
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Coating
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AR-coated
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Notes:
1. To inquire about 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.
Yb: KGW Applications
1. Materials Processing:
· Cutting and Welding: Yb:KGW lasers are employed in industrial cutting and welding processes, particularly for metals, ceramics, and plastics, thanks to their high-power output and precise beam quality.
·Marking and Engraving: They are used for precision marking and engraving on various materials.
2. Scientific and Research Applications:
· Spectroscopy: Yb:KGW lasers are utilized in research laboratories for spectroscopic studies, enabling the analysis of chemical compounds, materials, and biological samples.
· Ultrafast Laser Systems: Yb:KGW crystals play a crucial role in ultrafast laser systems, facilitating experiments and investigations in fields such as physics, chemistry, and biology.
3. Medical and Biomedical Applications:
· Ophthalmology: Yb:KGW lasers are used in ophthalmic surgeries, including procedures for vision correction.
· Dermatology: They are employed for dermatological treatments such as skin resurfacing and tattoo removal.
4. Defense and Security:
· Target Illumination: Yb:KGW lasers are used in military applications for accurate target illumination.
· Countermeasures: They can be employed in countermeasure systems to disrupt or blind sensors and targeting devices.
5. Environmental Sensing:
In environmental monitoring, Yb:KGW lasers can be used in LIDAR systems for remote sensing, atmospheric studies, and terrain mapping.
Yb: KGW Packing
Yb:KGW (Ytterbium-doped Potassium-Gadolinium Tungstate) 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.
Yb: KGW FAQs
Q1 What are the lasing wavelengths of Yb:KGW?
Yb:KGW lasers typically operate at 1023-1040 nm, with the exact wavelength depending on the pumping source and cavity design. These lasers are also used in frequency-doubling systems to generate visible light at around 510-520 nm.
Q2 What pumping sources are suitable for Yb:KGW lasers?
Yb:KGW lasers are diode-pumped, typically using laser diodes in the wavelength range of 900-980 nm, which efficiently excite the ytterbium ions for lasing.
Q3 Are Yb:KGW lasers suitable for frequency conversion?
Yes, Yb:KGW lasers can be used with nonlinear crystals, such as KTP or LBO, for frequency doubling, tripling, or other nonlinear optical processes, generating visible or UV wavelengths for specialized applications.
