Sentence examples for two gratings from inspiring English sources
If two gratings of slightly different spacing are superposed, "beat" fringes will appear, which shift positions much faster than does the displacement of one grating with respect to the other.
A movable platform with two gratings and one mirror are fabricated on the lower wafer.
Two gratings and two detectors are used according to a specific, compact design.
Briefly, the radiation from a short undulator illuminates two gratings with pitch in the range of 40 100 nm.
The diffracted orders from the two gratings traveling in the same direction are isolated using spatial filtering arrangement.
Figure 4(a) illustrates one optical micrograph of fabricated HfO2 gratings, where the upper two gratings are with the grating widths W t of 440 nm.
It comes with two grating blades, one coarse and one fine, for $29.95.
The device uses a combination of two grating elements arranged in a subtractive dispersion configuration.
The variation of angle can be calculated by measuring the angle formed between two tangent lines drawn from the two grating points.
Because the two grating lobes have equal width for the unextended CSA, this intersection will be exactly at the midpoint at u=1/M+1/N.
For the coupling, two grating couplers are employed, which couple broadband thermal IR-radiation into the waveguide and the attenuated IR-radiation towards a thermal IR-detector, respectively.
