1 Micron Fiber Laser Optics
With decades of knowledge and experience in the optical industry, using cutting-edge measurement equipment, Ophir offers a wide array of first-class optical coatings for high power fiber lasers in the 1 μm wavelength range.
Capabilities
- High LIDT (laser induced damage threshold) coatings 20 J/ cm2
- Low absorption 10-50 ppm
- High quality fused silica substrates
High power lasers are a growing industry with numerous applications. As technology advances, and lasers become more sophisticated, the optics used in such systems must provide increasingly superior levels of performance. Here's where Ophir steps in. With the 1μm high power laser optics range, Ophir guarantees maximum focus stability and minimum aberrations, by using advanced manufacturing technologies, for high optical performance.
Quality Assured
- Chosen by top-tier laser OEM manufacturers
- Extensively tested and utilized in laser applications above 8 kW
| Typical coating features | ||
| AOI | 0º-15º | |
| %R | @1030-1090 < 0.1%, 0.2% per surface | |
| %T | @650-670 > 60%-95% (2 sides) | |
| %T@1030nm | T > 99.6% | |
| %T@1064nm | T > 99.9% | |
| %T@1070-1080nm | T > 99.6% | |
| S/D | 10-5 | |
| Mechanical properties | ||
| Elastic (Young's) modulus | 73GPa | |
| Poisson's ratio | 0.16 | |
| Density | 2.20g/cm³ | |
| Knoop hardness (100g load) | 522kg/mm² | |
| Thermal properties | ||
| Specific heat | 0.770 J/(gK) | |
| Thermal conductivity | 1.38W/(mK) | |
| Thermal diffusivity | 0.0075 cm²/s | |
| Thermal expansion(ppm/c) | 0.57x10 ⁻⁶ K ⁻¹ | |
| Thermal coefficient | Δn/ΔT 9.6×10 ⁻⁶ K ⁻¹ | |
| Aspheric Lenses Aspheric surfaces on collimating and focusing lenses provide improved performance over conventional, spheric surfaces in high-power industrial fiber laser and direct diode laser systems. The aspheric shape of the optics reduces spheric aberration resulting in a smaller spot size, a uniform spot shape and greater depth of focus. Ophir Fiberlens™ aspheric lenses are available in custom configurations for all high-power industrial fiber laser and direct diode laser systems. |
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| Specification | Value / Range | Tolerance |
| Diameter (range) | 12.0 – 300.0 mm | + 0 / - 0.10 mm |
| Effective focal length (EFL) | 20.0 – 500.0 mm | < 0.1% |
| Lens types | Aspherical – plano Aspherical – spherical Aspherical – aspherical |
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| Clear aperture | > 90% of diameter | |
| Asphere power | < 2.0 fringe at 632.8 nm Radius of curvature | |
| Asphere irregularity | < 0.5 fringe at 632.8 nm (P-V) | |
| Scratch - dig | 20-10 or better | |
| Surface roughness | < 2 nm RMS | |
| Substrate material | High-purity, UV-grade fused silica | |
| Focal length | ≤0.1% | |
| ETV | ≤10μm | |
View the white paper below for additional information on our low-absorption AR coatings.
Focusing Doublet Lenses for High Power Fiber Lasers
- Aspheric surfaces for improved performance
- Reduces spheric aberration for a smaller spot size
- Uniform spot shape and greater depth of focus
| Compare | Description | Avail. | Price | ||
|---|---|---|---|---|---|
| 680337-001 Focusing Doublet Lens Assembly, 37 mm Diameter, 150 mm Focal Length, 1030-1090 nm | ||||
| 680339-001 Focusing Doublet Lens Assembly, 30 mm Diameter, 125 mm Focal Length, 1030-1090 nm |
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Collimating Doublet Lenses for High Power Fiber Lasers
- Reduced spheric aberration
- Smaller spot size
- Uniform spot shape
| Compare | Description | Avail. | Price | ||
|---|---|---|---|---|---|
| 680340-001 Collimating Doublet Lens Assembly, 30 mm Diameter, 100 mm Focal Length, 1030-1090 nm | ||||
| 680355-001 Collimating Doublet Lens Assembly, 37 mm Diameter, 100 mm Focal Length, 1030-1090 nm |
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Plano-Convex Lenses for High Power Fiber Lasers
- High laser induced damage threshold coatings
- Plano-convex lens shape
- High quality fused silica substrates
| Compare | Description | Avail. | Price | ||
|---|---|---|---|---|---|
| 631521-117 Plano-Convex Lens, 1030-1090 nm, 35 mm, 150 mm FL, 9.0 mm Edge, Fiber Laser | ||||
| 631669-117 Plano-Convex Lens, 1030-1090 nm, 38.1 mm, 127 mm FL, 7.0 mm Edge, Fiber Laser | ||||
| 632284-117 Plano-Convex Lens, 1030-1090 nm, 38.1 mm, 190.5 mm FL, 7.0 mm Edge, Fiber Laser | ||||
| 632291-117 Plano-Convex Lens, 1030-1090 nm, 38.1 mm, 180 mm FL, 3.0 mm Edge, Fiber Laser | ||||
| 632292-117 Plano-Convex Lens, 1030-1090 nm, 38.1 mm, 220 mm FL, 3.3 mm Edge, Fiber Laser |
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Bi-Convex Lenses for High Power Fiber Lasers
- High laser induced damage threshold coatings
- Bi-convex lens shape
- High quality fused silica substrates
Protective Windows for High Power Fiber Lasers
- High laser induced damage threshold coatings
- Low absorption 10-50 ppm
- High quality fused silica substrates
| Compare | Description | Avail. | Price | ||
|---|---|---|---|---|---|
| 632240-117 Fiber Laser Protective Window, 30 mm Diameter, 1.5 mm Thick, 1030-1090 nm | ||||
| 632251-117 Fiber Laser Protective Window, 34 mm Diameter, 5.0 mm Thick, 1030-1090 nm | ||||
| 632252-117 Fiber Laser Protective Window, 22.4 mm Diameter, 4.0 mm Thick, 1030-1090 nm | ||||
| 632346-117 Fiber Laser Protective Window, 50.8 mm Diameter, 6.35 mm Thick, 1030-1090 nm | ||||
| 632445-117 Fiber Laser Protective Window, 25.4 mm Diameter, 3.0 mm Thick, 1030-1090 nm |
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