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        HOME >PRODUCT DISPLAY >PRODUCT DETAIL
        PRODUCT PIC
        Nd:YAG crystal
            Nd:YAG(Neodymium-doped Yttrium-Aluminum Garnet)crystal is the best of the rare earth garnet materials that are characterized by four-level system which permits low threshold operation both in pulsed and CW mode. It is the most mature and widely used solid-state laser material adopted by R&D, medical, industrial and military customers. Its properties are a good compromise between the strengths and weaknesses of its competition.?
        • DETAIL
        • STANDARD PRODUCT
        • BASIC PROPERTIES
        • Applications:

             ● Nd:YAG can produce blue laser with the frequency-doubling of 946nm

              ● Nd:YAG can be operated in a very high power laser up to kw level at 1064nm

              ● Nd:YAG can be Q-switched with Cr4+YAG directly

              ● Nd:YAG can be used for high power green laser for [email protected]

            

          CRYSTIK‘s Nd:YAG is featured by:

              ● High Gain, High Efficiency, Low Threshold.

              ● High Optical Quality and low Loss at 1.06 mm.

              ● Good Mechanical and Thermal Properties.

              ● Easy to operate in Q-Switch, pulsed, CW mode.

           

          CRYSTIK offers:

              ● Standard size crystal for application.

              ● Strict Quality Control.

              ● 1 - 3 Weeks Delivery.    

              ● Attractive Price and quantity discount.

              ● Mass Production to Support Industrial and Commercial Applications.

        •  

          Dimension Tolerance

          D(+0/-0.05)  * L(+/-0.5) mm

          Cut Angle


          Angle Tolerance

           +/-5°

          Perpendicularity

           ≤5′

          Scratch/Dig

          10/5

          Chamfer

          <0.1mmx45°

          Parallelism

           ≤10″

          Chips

          <0.1mm

          Flatness

           [email protected]

          Clear Aperture

          ≥95%

          Wavefront Distortion

           [email protected]

          Extinction Ratio

           25dB

          Coatings

          C1:[email protected](R<0.2%)

          C2:[email protected](R<0.2%)&808(R<0.5%)

          C3:[email protected](R<0.2%)&473(R<0.5%)

          C4:[email protected](R>99.8%)&473(R>99.5%)

               &[email protected](T>90%)&1319(T>90%)&808(T>95%)

          Damage Threshold

          1GW/cm2 10ns 10Hz at 1064nm

        • Physical Properties:


          Chemical Formula

          Nd:Y3Al5O12

          Crystal Structure

          Cubic

          Lattice Parameter

          12.01?

          Density

          4.55g/cm3

          Melting Point

          1970oC

          Mohs Hardness

          8.5

          Water Absorption

          Zero

          Extinction Ratio

          > 28 dB (according to actual sizes)

          Thermal Expansion Coefficient

          [100] Orientation--8.2x10-6/oC (0-250oC)

          [110] Orientation--7.7x10-6/oC (0-250oC)

          [111] Orientation--7.8x10-6/oC (0-250oC)

          Thermal Conductivity

          20oC---0.0320 cal/secoC cm

          40oC---0.0290 cal/secoC cm

          100oC--0.0250 cal/secoC cm

          200oC--0.0225 cal/secoC cm

          Modulus of Elasticity

          44.9x106 PSI

          Tensile Strength

          25-30x106 PSI

           Optical properties: 


          Laser Transition

          4F3/2 --> 4I11/2

          Photon Energy

          1.86×10-19J

          Lasing Wavelength

          1.064μm, 1.320μm

          Emission Linewidth

          4.5? @1.064μm

          Stimulated Emission Cross Section

          2.8x10-19 cm2 @1.064μm

          Radiative Lifetime

          550μs

          Fluorescence Lifetime

          230μs

          Pumping Wavelength

          0.8075μm

          Absorption Coefficient

          7.2 cm-1 @0.808μm

          Absorption Length

          1.42 mm @0.808μm

          Intrinsic Loss Coefficient

          0.003 cm-1 @1.064μm

          Polarized Laser Emission

          non-polarization

          Refractive Index

          1.820 @1.064μm

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