Modulators & Fixed Frequency Shifters

Acousto-optic modulators are used to vary and control laser beam intensity. They can also be used as fixed frequency shifters due to fact that the diffracted order is frequency shifted by the amount of the carrier frequency.

Modulators

An Acousto Optic Modulator is intended to vary the intensity of the incoming laser beam. Also known as Amplitude Modulation (AM), it can be either digital (ON/OFF) or analog (sine, sawtooth, random…). The key parameter of a modulator is its rise/fall time, which defines the achievable « speed » of the modulation. The rise/fall time is directly proportional to the beam diameter inside the modulator.

Fixed Frequency Shifters

The Acousto Optic interaction inherently introduces a frequency shift in the diffracted order. The amount of the frequency shift equals to the injected carrier frequency and it can be upshifted or downshifted depending on the selected input Bragg angle. A Modulator shares the same properties as a Fixed Frequency Shifter.

Our models of Modulators & Fixed Frequency Shifters

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Model	Add to quote
MT250-A0.2-VIS Wavelength 450-700 Rise time 8 Frequency Shift 250 Show moreShow less	ADD ADD Product added
MT250-A0.12-800 Wavelength 700-950 Rise time 6 Frequency Shift 250 Show moreShow less	ADD ADD Product added
MT250-A0.12-1030.1064 Wavelength 1030-1064 Rise time 6 Frequency Shift 250 Show moreShow less	ADD ADD Product added
MT110-A1-VIS-M014 Wavelength 450-700 Rise time 15 Frequency Shift 110 Show moreShow less	ADD ADD Product added
MT80-A0,4-2000 Wavelength 1900-2100 Rise time 25 Frequency Shift 80 Show moreShow less	ADD ADD Product added
MT80-A0,7-1300.1600 Wavelength 1300-1600 Rise time 80 Frequency Shift 80 Show moreShow less	ADD ADD Product added
MGAS110-A1 Wavelength 1300-1600 Rise time 25 Frequency Shift 110 Show moreShow less	ADD ADD Product added
MGAS80-A1 Wavelength 1300-1600 Rise time 50 Frequency Shift 80 Show moreShow less	ADD ADD Product added
MCQ80-A2-L1064-Z32-Cxxx Wavelength 1030-1080 Rise time 80 Frequency Shift 80 Show moreShow less	ADD ADD Product added
MGAS40-A1 Wavelength 1300-1600 Rise time 50 Frequency Shift 40 Show moreShow less	ADD ADD Product added
MCQ40-A1.5-L1064-Z32-Cxxx Wavelength 1030-1080 Rise time 80 Frequency Shift 40 Show moreShow less	ADD ADD Product added
MQ40-A3-L1064-W Wavelength 1030-1080 Rise time 120 Frequency Shift 40 Show moreShow less	ADD ADD Product added
MQ80-A0.7-L1030.1064-Z20 Wavelength 1030-1080 Rise time 120 Frequency Shift 80 Show moreShow less	ADD ADD Product added
MT80-A1-1064 Wavelength 980-1100 Rise time 23 Frequency Shift 80 Show moreShow less	ADD ADD Product added
MT80-A1.5-1064 Wavelength 980-1100 Rise time 50 Frequency Shift 80 Show moreShow less	ADD ADD Product added
MT110-A1-1064 Wavelength 980-1100 Rise time 15 Frequency Shift 110 Show moreShow less	ADD ADD Product added