The grooved Nd:YAG laser rods have the improvements on the beam quality, thermal effect reduction and the efficiency when compared with the common Nd:YAG laser rods.

General Specifications Of Grooved Nd:YAG:

Nd Dopant Level	0.5-1.1 atm%
Orientation	<111> crystalline direction (±0.5deg)
Dimension Tolerances	Diameter: ±0.05mm
Dimension Tolerances	Length: ±0.5mm
Surface Quality	10/5 Scratch and Dig
Clear Aperture	>90%
Surface Flatness	<λ/10@633nm
Wavefront Distortion	<λ/8@633nm
Parallelism	<10 arc seconds
Perpendicularity	<5 arc minutes
Chamfer	<0.1mmx45°
AR Coating	Reflectivity R<0.25%@1064 nm per surface Damage threshold over 750MW/cm2@1064nm, 10 ns and 10 Hz Other coating is per your request
Extinction Ratio	Rods with diameter from 3 mm to 6.35 mm and with length to 100 mm: >30dB Rods with diameter from 7 mm to 10 mm and with length to 100 mm: >28dB

Physical Properties of Grooved Nd:YAG:

Chemical Formula	Nd:Y3Al5O12
Crystal Structure	Cubic
Lattice Constants	12.01
Concentration	~1.2 x 10²⁰ cm^-3
Melting Point	1970℃
Density	4.56 g/cm³
Mohs Hardness	8.5
Refractive Index	1.82
Thermal Conductivity	14 W/m /K @20℃, 10.5 W /m /K @100℃
Thermal Expansion Coefficient	7.8 x 10^-6/K [111], 0 - 250℃

Optical Properties of Grooved Nd:YAG:

Lasing Wavelengths	1064nm
Photon Energy	1.86x10^-19J@1064nm
Stimulated Emission Cross-Section	2.8x10^-19cm²
Relaxation Time of Terminal Lasing Level	30ns
Radiative Lifetime	550us
Spontaneous Fluorescence	230us
Loss Coefficient	0.003 cm^-1@1064nm
Pump Wavelength	807.5 nm
Absorption band at pump wavelength	1nm
Linewidth	0.6nm
Polarized Emission	Unpolarized
Thermal Birefringence	High

807.5nm Laser Crystals Grooved Nd Yag Laser Rods With Good Beam Quality

Optical Glass Lenses

Optical Cylinder Lens

Spherical Glass Lens

Optical Mirrors

Optical Waveplate

Optical Polarizer

Optical Beam Splitters

Optical Glass Windows

Optical Prisms

Optical Glass Filters

Laser Crystals

Thin Film Optical Coating

807.5nm Laser Crystals Grooved Nd Yag Laser Rods With Good Beam Quality

laser beam pointers

tribrach with optical plummet

7r beam sharpy