Northrop Grumman SYNOPTICS
1201 Continental Boulevard
Charlotte, NC 28273
Phone: 704-588-2340 | Fax: 704-583-5851
Email
Northrop Grumman SYNOPTICS is the world's leading manufacturer of synthetic crystals and optical components used primarily in the solid-state laser industry.
Material Parameters | ||
---|---|---|
Host: | Yttrium Aluminum Garnet (Y3AI5O12) | |
Dopant: | Erbium (Er3+) | |
Dopant Concentration: | 50Atomic% (~7x1021cm-3) | |
Orientation: | [111] crystallographic directions (±5°) | |
Wavefront Distortion: | 1/2 wave per inch of length | |
End Configuration | ||
Flatness: | within λ/10 wave at 633nm wavelength | |
Parallelism: | within 30seconds of arc | |
Perpendicularity: | within 5minutes of arc | |
Surface Quality: | scratch-dig 10 - 5 per MIL-O-13830A | |
Anti-Reflection End Coatings | ||
Reflectivity: | less than 0.25% at 2.94microns | |
Adhesion and Durability: | meets MIL-C-48497A standards | |
Pulsed Damage Threshold: | greater than 10J/cm2 |
Advantages | |
---|---|
High Gain, Low Threshold, High Efficiency, | |
Low Loss at 1.06µm, High Optical Quality, |
|
Good Mechanical and Thermal Properties | |
Ordering Options and Specifications | |
(Tolerance +/- 0.10% and +/- 0.20%): | 0.6% - 1.3% |
Wavefront Distortion (per inch of rod length): |
Standard Grade = l/4 Opto-Lase Grade = l/16 |
End Face Parallelism: | < 10arc seconds |
Extinction Ratio: | 25dB Minimum |
Material Properties (1% Nd) | |
Formula: | Y2.97Nd0.03Al5O12 |
Crystal Structure: |
Cubic [111] |
Moh Hardness: |
8 - 8.5 |
Melting Point: |
1950°C (3540°F) |
Density: |
4.55g/cm3 |
Thermal Conductivity: | 0.14Wcm-1K-1 |
Thermal Expansion: |
6.9x10-6oC-1 |
dn/dT: | 7.3x10-6oC-1 |
Index of Refraction: | 1.8197 at 1.0mm |
Poisson Ratio: |
0.25 |
Fluorescent Lifetime: | 230µs |
Cross Section: |
7.6x10-19cm2 |
Young's Modulus: |
3.17x104kg/mm2 |
Thermal Shock Resistance: | 790Wm-1 |
CTH:YAG Advantages | |
---|---|
High-efficiency 2µm source |
|
Laser diode sources can pump the strong 780nm Tm3+ ion absorption line | |
Operates in a relatively eye-safe wavelength range | |
Ordering Options and Specifications | |
%Cr Concentration: | 0.85% |
%Tm Concentration: | 5.9% |
%Ho Concentration: |
0.36% |
Wavefront Distortion (per inch of rod length): | < l/2 |
End Face Parallelism: |
< 30arc seconds |
Material Properties |
|
Formula: | Cr3+, Tm3+, Ho3+:Y3Al5O12 |
Crystal Orientation: |
Cubic [111] |
Density: |
4.7g/cm3 |
Index of Refraction: |
1.80 at 2080nm |
Fluorescence Lifetime: |
8.5ms |
Emission Cross Section2: |
7x10-21cm2 |
Ordering Options and Specifications | |
---|---|
%Er Concentration: |
30% |
%Cr Concentration: |
2% |
Wavefront Distortion (per inch of rod length): |
l/2 |
End Face Parallelism: |
30arc seconds |
Material Properties | |
Formula | Y2.93Sc1.43Ga3.64O12 |
Crystal Structure |
Cubic |
Moh Hardness | 8 |
Density |
5.67g/cm3 |
Thermal Conductivity | 8Wm-1K-1 |
dn/dT2 | 12x10-6K-1 |
Index of Refraction | 1.92 at 1mm |
Advantages | |
---|---|
Low Thermal Lensing, Large Fluorescence, Linewidth, Birfringent, | |
Applications |
|
High Power, Short Pulse, Amplifiers | |
Ordering Options and Specifications | |
(Tolerance +/- 0.10% and +/- 0.20%): | 1%, 1.5%, or 2.0% |
Wavefront Distortion (per inch of rod length): | l/4 |
End Face Parallelism: | < 10 arc seconds |
Material Properties | |
Formula: |
Nd:LiYF4 |
Crystal Structure: |
Tetragonal |
Growth Direction: |
Along a axis [100] |
Moh Hardness: |
4 - 5 |
Melting Point: |
825°C |
Density: |
3.95g/cm3 |
Thermal Conductivity: |
0.06W/cm°C |
Heat Capacity: |
0.79Jg-1 K-1 |
Thermal Expansion: (x 10-6 °C-1) |
13 (along a axis) 8 (along c axis) |
Index of Refraction at 633 nm: |
1.453 (e ray) 1.476 (o ray) |
Index of Refraction at 1064 nm: |
1.448 (e ray) 1.470 (o ray) |
Young's Modulus: |
7.65x108g/cm2 |
Poisson's Ratio: |
0.33 |
Ordering Options & Specifications | |
---|---|
%Cr Concentration: | 0.13% (0.10% to 0.20% available) |
Wavefront Distortion (per inch of rod length): | l/2 |
End Face Parallelism: | < 30arc seconds |
Material Properties | |
Formula: | Be(Al1-xCrx)2O4 |
Crystal Structure: |
Orthorhombic |
Unit Cell Dimensions (Å) | 9.404(a) x 5.476(b) x 4.427(c) |
Thermal Expansion
(x 10-6 °C-1): |
6.30(a) x 6.00(b) x 6.50(c) |
Index of Refraction (at 750 nm): |
1.7367(a) x 1.7241(b) x 1.7346(c) |
Melting Point: |
1870°C |
Vickers Hardness: |
2000kgmm-2 |
Density: |
3.7g/cm3 |
Thermal Conductivity: |
0.23Wcm-1K-1 |
Young's Modulus: |
469GPa |
Thermal Shock Resistance: |
35 - 74W/cm |
dn/dT: |
8x10-6K-1 |
Structural & Thermal Properties | |
---|---|
Formula: | Cr3+: Al2O3 |
Crystal System: | Trigonal |
Unit Cell Dimensions (as if hexagonal) | a = 4.785Å c = 12.99Å |
X-Ray Density: | 3.98g/cm3 |
Melting Point: | 2040°C |
Thermal Expansion: at 323 K: | ┴ c5x10-6K-1 || c6.7x10-6K-1 |
Thermal Conductivity: 300K: | 28W/m•K |
Hardness: | Mohs: 9, Knoop: 2000kgmm-2 |
Young's Modulus: | 345GPa |
Specific Heat: at 291K: | 761Jkg-1K-1 |
Thermal Stress Resistance parameter, RT: | 34W/cm |
General Specifications | |
Diameter Tolerance: | +0.000"/-0.002" |
Chamfer: | 0.005"±0.003" @ 45° |
Barrel Finish: | 30 ± 5μinches |
Perpendicularity: | within 5arcminutes |
Parallelism: | 30arc - seconds or less |
Rod End Face Flatness: | within λ/10 wave at 632nm wavelength |
Surface Quality: | 10 - 5 scratch-dig per MIL-O-13830A |
Wave Front Distortion: | less than 1/2 wave per inch of length (measured at 1micron) |
Standard Coating: | Anti-Reflection where R < 0.25% @ 694nm |
Laser rod orientation: | 60±5° from the c-axis |
Structural & Thermal Properties | |
---|---|
Formula: | Ti3+:Al2O3 |
Crystal System: | Hexagonal |
Unit Cell Dimensions (as if hexagonal) | a = 4.759Å c = 12.99Å |
X-Ray Density: | 3.98g/cm3 |
Melting Point: | 2050°C |
Thermal Expansion: at 323 K | ┴ c5x10-6K-1 || c6.6x10-6K-1 |
Thermal Conductivity: 300K | ┴ c30W/m•K || c32W/m•K |
Hardness: | Mohs: 9, Knoop: ┴ c2200kgmm-2 || c1900kgmm2 |
Young's Modulus: | 345GPa |
Specific Heat: at 293K | 770Jkg-1K-1 |
Thermal Shock parameter, RT: | 34W/cm |
General Specifications | |
Diameter Tolerance: | +0.000"/-0.002" |
Chamfer: | 0.005"±0.003" @ 45° |
Barrel Finish: | 55μinches |
Perpendicularity: | within 5arc minutes |
Parallelism: | 10arc - seconds or less |
Rod End Face Flatness: | within λ/10 wave at 633nm wavelength |
Surface Quality: | < 1.5Årms surface roughness |
Wave Front Distortion: | less than 1/2 wave per inch of length (measured at 1 micron) |
Standard Coating: | Anti-Reflection with R < 0.25% |
Optical Properties | |
Absorption coefficient (Ti3+), αcm-1 (at 532nm): |
0.50 to 6.0cm-1 |
Figure of Merit, FOM (α532nm/α800nm) |
> 150 |
Refractive index at 1.06 µm2 |
no = 1.75449 ne = 1.74663 |
Refractive Index Temperature Coefficient: visible wavelengths near 25°C 3 |
13x10-6K-1 |
Brewster angle: | 60.4° |
Fluorescence lifetime at 300K: | 3.0µs |
Applications | Features |
---|---|
Harmonic Generation / Frequency Doubling: |
Optically transparent between 0.35µm - 3.5µm |
Optical Parametric Oscillator: | High harmonic conversion efficiency |
Electro-optic Pockels Cells: |
Damage thresholds up to 1 GW/cm2 |
Quasi Phase Matching: |
Thermally and mechanically stable |
Available Sizes | |
1mm x 1mm x 3mm minimum, contact SYNOPTICS for maximum size capabilities | |
Hydrothermal Growth |
|
Our KTP is grown Hydrothermally to insure homogenous, consistent properties | |
Material Properties | |
Crystal Structure: | Orthorhombic, Space Group Pna 21 |
Lattice Parameters: |
a = 12.814Â, b = 6.404Â, c = 10.616Â |
Melting Point: |
~1150°C with Partial Decomposition |
Mohs Hardness: |
~5 |
Density: | 3.03g/cm3 |
Specific Heat: | 0.1737cal/g°C |
Thermal Conductivity: |
k1 = 2.0, k2 = 3.0, k3 = 3.3 (x10-2W/cm/°C) |
Absorption Loss @ 1.064mm: |
< 1%/cm |
Nonlinear Optical Coefficients (x10-12 m/V): |
d31 = 6.5, d32 = 5.0, d33 = 13.7, d24 = 7.6, d15 = 6.1 |
Refractive Indices @ 1.064mm: | nx = 1.740, ny = 1.747, nz = 1.830 |
Refractive Indices @.532mm: |
nx = 1.779, ny = 1.790, nz = 1.887 |
Type Phase Matching: |
Type II |
Phase Matching Angle @1.064mm: | 24° to x in xy plane |
Temperature Bandwidth: | 25°C-cm |
1201 Continental Boulevard
Charlotte, NC 28273
Phone: 704-588-2340 | Fax: 704-583-5851
Email