Wuhan Star Optic Technology Co., Ltd
                                                                                                           
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807.5nm Laser Crystals Grooved Nd Yag Laser Rods With Good Beam Quality

Price Negotiable
Price: Negotiable
MOQ: 1pc
Delivery Time: Negotiable
Brand: STAR OPTIC
Product Description

Laser Crystal Grooved Nd:YAG

Overview:

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 OGrooved Nd:YAG:

Nd Dopant Level 0.5-1.1 atm%
Orientation <111> crystalline direction (±0.5deg)
Dimension Tolerances Diameter: ±0.05mm
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

 

 

 

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Wuhan Star Optic Technology Co., Ltd
Location 4th floor, building 9, Optics Valley New Dynamic, 5th Hi-Tech road, East lake Hi-Tech Zone, Wuhan, China
Contact Person Tina Tian

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