DOE_Dot-Matrix (Dot Matrix)
LD Collimators & Diffractive Optics: Beam-Splitter
Diffractive Optical Elements (DOEs)
Description:
LD Collimators & Diffractive Optics: Beam-Splitter
Diffractive beam splitters excel in applications requiring precise control of light beams, compact and lightweight design, wavelength specificity, high efficiency, and versatile beam pattern generation. They are particularly valuable in laser systems, optical metrology, display technology, and spectroscopy, where their unique properties provide significant advantages over traditional beam splitters.
This article refers to: DOE_Dot-Matrix (Dot Matrix) (LD Collimators & Diffractive Optics: Beam-Splitter ) - Dot Matrix
| Pattern Size @ 100 mm Distance (@ Design Wavelength) | Pattern Angles (@ Design Wavelength) | ||||||||||
| DOE Item # | Description | Design Wavelength | a | b | c | d | α | β | γ | δ | Optimum Wavelength Range |
| FDE-R206 | 17 x 17 Dots | 660 nm | 38.0 mm | 26.6 mm | 1.7 mm | 26.6 mm | 21.5° | 15.2° | 0.9° | 15.2° | 590 – 730 nm |
| FDE-R223 | 2 x 2 + 1 Dots | 635 nm | 28.3 mm | 19.9 mm | 19.9 mm | 19.9 mm | 16.1° | 11.4° | 11.4° | 11.4° | 635 + 405 nm |
| FDE-R231 | 101 x 101 Dots | 660 nm | 12.8 mm | 9.1 mm | 0.1 mm | 9.1 mm | 7.4° | 5.2° | 0.05° | 5.2° | 635 – 680 nm |
| FDE-R241 | 21 x 21 Dots | 635 nm | 11.9 mm | 8.4 mm | 0.4 mm | 8.4 mm | 6.8° | 4.8° | 0.2° | 4.8° | 560 – 730 nm |
| FDE-R242 | 16 x 16 Dots | 635 nm | 12.4 mm | 8.8 mm | 0.6 mm | 8.8 mm | 7.1° | 5.0° | 0.3° | 5.0° | 530 – 730 nm |
| FDE-R243 | 17 x 17 Dots | 635 nm | 12.4 mm | 8.8 mm | 0.5 mm | 8.8 mm | 7.1° | 5.0° | 0.3° | 5.0° | 550 – 720 nm |
| FDE-R244 | 13 x 13 Dots | 635 nm | 7.4 mm | 5.3 mm | 0.4 mm | 5.3 mm | 4.3° | 3.0° | 0.3° | 3.0° | 590 – 670 nm |
| FDE-R257 | 51 x 51 Dots | 660 nm* | 56.9 mm | 40.3 mm | 0.8 mm | 40.3 mm | 31.8° | 22.8° | 0.5° | 22.8° | 560 – 720 nm |
| FDE-R258 | 11 x 11 Dots | 635 nm* | 71.2 mm | 50.3 mm | 5.0 mm | 50.3 mm | 39.2° | 28.2° | 2.8° | 28.2° | 590 – 690 nm |
| FDE-R339 | 6 x 6 Dots | 635 nm | 16.6 mm | 11.7 mm | 2.3 mm | 11.7 mm | 9.5° | 6.7° | 1.3° | 6.7° | 590 – 690 nm |
| FDE-R351 | 10 x 10 Dots | 532 nm | 21.1 mm | 14.9 mm | 3.3 mm | 14.9 mm | 23.8° | 17.0° | 1.9° | 17.0° | 510 – 600 nm |
| FDE-R352 | 4 x 6 Dots | 532 nm | 26.6 mm | 13.7 mm | 4.6 mm | 22.8 mm | 15.1° | 7.8° | 2.6° | 13.6° | 500 – 580 nm |
| FDE-R353 | 5 x 5 Dots | 690 nm | 1.1 mm | 0.75 mm | 0.19 mm | 0.75 mm | 0.61° | 0.43° | 0.11° | 0.43° | 630 – 750 nm |
| FDE-R388 | 51 x 51 Dots | 532 nm* | 46.8 mm | 33.1 mm | 0.66 mm | 33.1 mm | 26.4° | 18.8° | 0.38° | 18.8° | 500 – 560 nm |
| FDE-R389 | 21 x 21 Dots | 520 nm* | 46.8 mm | 33.1 mm | 1.66 mm | 33.1 mm | 26.4° | 18.8° | 0.95° | 18.8° | 480 – 600 nm |
*Large-angle pattern that due to its symmetry properties is subject to geometrical distortion, if the DOE is used at laser wavelengths significantly different (Δλ > 50nm) from the design wavelength.
- Beam-Splitter
