AOSense, Inc.

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Miniature Single-Stage Isolators

Discover our innovative and compact free-space optical isolators.

AOSense Miniature Single Stage Isolators

compact size

high isolation

high transmission

multiple wavelengths available (690, 780, 852 nm)

Free-space optical isolators at 690 nm, 780 nm, and 852 nm. The innovative, small package size enables integration into compact laser sources and amplifiers without sacrificing transmission efficiency. The low external magnetic field enables the isolator to tightly integrate into systems with high magnetic-field sensitivity such as atomic spectrometers, magnetometers, clocks, and cold-atom devices.

Specifications

780 nm
Dimensions 3 × 3 × 4 in
Transmission>65%
Extinction ratio>30 dB (a)
Wavelength780 nm ± 1 nm
Volume<0.4 cm³
Clear aperture1.4 mm diameter
Maximum power>200 W/cm2 (b)
Stray magnetic field<50 G @ 1 cm
<10G @ 2cm
<1G @ 5 cm

(a) Free-space measurement with 0.26 mm beam diameter. Detector subtends 0.03 sr. Larger beam sizes may result in a different extinction ratio.
(b) Based on limited testing. Actual value is likely higher.

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