1550nm SM Acousto-Optic Modulator 40MHz

The acousto-optic modulators from Idealphotonics, due to their high modulation extinction ratio and high power handling capabilities, are widely used in the field of fiber optic sensing. This product is specially developed to meet the application requirements of fiber optic sensing, featuring small size, low power consumption (<1W), fast rise time (12ns), good modulation pulse shape (minimal overshoot), and good pulse repetition (minimal jitter in the repetition period). Additionally, it can integrate the modulator and driver in a single package, making it convenient for system integration. It can be widely used in various fiber optic sensing systems that require pulse modulation, such as φ-OTDR, BOTDR, OFDR, and more.

Product features：Small size 、 Low power consumption (<500mW) 、 Fast rise time (12ns) 、 Good modulation pulse shape (small overshoot) 、 Good pulse repeatability (small jitter in repetition period)

Application area：Fiber optic sensing 、 LiDAR 、 BOTDA

Unit Price

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Part Number

AOM40-1550-1-SA

Lead Time

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Stock

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General Parameters

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Dimensional Drawing

Parameter	Unit	Min	Max	Typical	Remarks
Material				TeO2
Wavelength	nm	1520	1580	1550
Average Optical Power (CW)	W			0.5
Ultrasonic Wave Speed	m/s			4200
Insertion Loss	dB			2.5
Polarization Extinction Ratio	dB	18	23	20
Extinction Ratio	dB	50	55	50
Return Loss	dB	40
Rise Time	ns			60
Frequency	MHz			40
Frequency Shift	MHz			+/-40	Optional
Frequency Stability				0.1%
RF Power	W		3	2.5
Voltage Standing Wave Ratio				1.2:1
Input Impedance	Ω			50
Device Connector				SMA
Fiber Type	SMF28e
Fiber Length	m			1.2
Fiber Connector				FC/APC
Operating Temperature	℃			-20~60
Storage Temperature	℃			-30~70

Test Diagram

RIO's narrow linewidth lasers, 1550nm PM acousto-optic modulators, and EOT 2.5G optoelectronic instruments

Modulation curve

The modulation signal applied to the AOM from the signal generator:

The oscilloscope displays the voltage signal output from the detector:

A: AOM Dimensions

B: Driver Dimensions

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