Diffraction Grating Products

HOLO/OR offers Diffraction gratings  that are  Binary Phase Gratings. These are a special case of  a  1D Damman grating with a duty cycle of 50% within a period. Our gratings are transmission gratings, but can be offered in reflective versions as desired . In this section, we present our standard list of gratings with custom etching depth (modulation depth).

In addition to standard gratings, HOLO/OR can offer gratings with custom specifications (duty cycle, modulation depth, period, reflection or transmission grating).

transmission grating
Transmission binary grating

Need shorter lead time? Lead time of uncoated DOE is 5 weeks shorter! Click here for questions.

Period [um]Lines/mm
1.5 666.667
2 500.000
2.5 400.000
3 333.333
3.5 285.714
4 250.000
6 166.667
6.65 150.376
8 125.000
11.25 88.889
11.85 84.388
12 83.333
14 71.429
14.1 70.922
16 62.500
16.7 59.880
18 55.556
19 52.632
21.5 46.512
22.5 44.444
24 41.667
25 40.000
25.75 38.835
27 37.037
29.5 33.898
33.25 30.075
34 29.412
36 27.778
38 26.316
39 25.641
40 25.000
42 23.810
45 22.222
47 21.277
48 20.833
50 20.000
56 17.857
61 16.393
68.125 14.679
80 12.500
86 11.628
90.375 11.065
115.75 8.639
127.5 7.843
132.5 7.547
180 5.556
225 4.444
243 4.115
269.5 3.711
300 3.333
350 2.857
415 2.410
448.85 2.228
450 2.222
478.25 2.091
532 1.880
673.125 1.486
800 1.250
830 1.205
847.875 1.179
848 1.179
890 1.124
1230 0.813
1598 0.626
1907 0.524
2308 0.433
2336 0.428
2640.5 0.379
2660 0.376
3167.5 0.316
3231 0.310
3869 0.258
Need shorter lead time? Lead time of uncoated DOE is 4 weeks shorter!
Click here for RFQ and questions

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Holo/Or offers Diffractive Optical Elements in a wide variety of wavelength between 180nm and 11um

For DOE solutions outside this range, please contact us for custom solutions.

Grating Calculator
Results
Orders
Diffracted Angle
Deg
mRad
Part of input (in %)
MaterialsFused Silica, ZnSe, Germanium, Plastic
Wavelength range193nm to 10.6um
DOE design2-level (binary)
Separation angleSmaller than 80deg @ 1064nm
Diffraction efficiency81% (theoretically)
Element sizeFew mm to 150mm
Coating (optional)AR/AR Coating
Custom DesignCustom duty cycle, period and modulation depth

Features:

  • Single Mode or Multimode input beam laser
  • High power threshold
  • Glass or plastic materials
  • Accurate angle separation
  • Insensitive to X-Y-Z displacements
  • Custom duty cycle, period and modulation depth
  • Any input beam shape
  • Wavelengths from UV to IR
  • Optional Ar/Ar coating
  • Optional Ar/Ar coating

Applications:

  • Parallel material processing
  • Laser monitoring
  • Spectroscopy
  • Microscopy
  • Metrology
  • Scientific research