FMR Series Compact Precision Beam Mirrors FMR-20 FMR-20-PG-0.2x0.2D-M

FMR Series Compact Precision Beam Mirrors FMR-20 FMR-20-PG-0.2x0.2D-M

Supplier
Sinteclaser
Part Number
FMR-20-PG-0.2x0.2D-M
Category
Laser Scanning and Ranging
Origin
China

FMR fine-steering mirrors combine compact size and large clear apertures for fast, precise two-dimensional beam control at microradian resolution. Voice-coil actuators surrounding the mirror support low- through high-power lasers. High-power coatings and optional rear-mounted beam absorbers suit demanding applications such as two-dimensional wobbling. A bearing-free structure ensures excellent repeatability and long life. The FMR-20 is designed for precise tilt control and high angular resolution. It scans beam patterns at bandwidths up to 250 Hz with a tilt range of ±2.3 mrad. The FMR-20 uses a 20×20 mm² mirror, large clear aperture and fast response to provide microradian-accuracy two-dimensional control. Compact size, high-power coatings and direct installation of a beam absorber behind the mirror suit demanding two-dimensional wobbling. Protected-gold and near-infrared dielectric coating options suit laser processing and free-space communications. With an Optotune ICC-4C-2000 industrial current controller, it forms a plug-and-play precision beam-steering system.

Specification Snapshot
Mirror Thickness
2 mm
Weight
53 g
Resolution [Used with ICC-4C-2000]
4 µrad( Used with ICC-4C-2000)
Reflectance [Protected Gold ; Wavelength 800–2000 nm; Angle of Incidence 0–45°]
>95%
Reflectance [Near-infrared dielectric coating; wavelength 750–1100 nm; incidence angle 0–45°]
>98%
Reflectance [1064 nm High Power ; Wavelength 1060–1100 nm; Angle of Incidence 58–70°]
>99.9%
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Overview

FMR fine-steering mirrors combine compact size and large clear apertures for fast, precise two-dimensional beam control at microradian resolution. Voice-coil actuators surrounding the mirror support low- through high-power lasers. High-power coatings and optional rear-mounted beam absorbers suit demanding applications such as two-dimensional wobbling. A bearing-free structure ensures excellent repeatability and long life. The FMR-20 is designed for precise tilt control and high angular resolution. It scans beam patterns at bandwidths up to 250 Hz with a tilt range of ±2.3 mrad. The FMR-20 uses a 20×20 mm² mirror, large clear aperture and fast response to provide microradian-accuracy two-dimensional control. Compact size, high-power coatings and direct installation of a beam absorber behind the mirror suit demanding two-dimensional wobbling. Protected-gold and near-infrared dielectric coating options suit laser processing and free-space communications. With an Optotune ICC-4C-2000 industrial current controller, it forms a plug-and-play precision beam-steering system.

Specifications

ParameterValue
DriverVoice Coil
Single-Axis Mechanical Tilt Angle±5.2 mrad; ±0.3°
Mechanical Tilt Angle with Simultaneous Dual-Axis Drive [Circular Field of View]±3.5 mrad; ±0.2° Circular Field of View
Mirror Dimensions20 mm × 20 mm
Mirror Thickness2 mm
Device Dimensions50.8 mm × 50.8 mm × 12 mm
Weight53 g
Motion ModeTwo-Dimensionally Programmable
Position ControlOpen Loop
External SensorOptional (For Feedback Control)
Range Drift1000 ppm/K
Resolution [Used with ICC-4C-2000]4 µrad( Used with ICC-4C-2000)
Static Motor Constant17.5 mrad/A /; 1.0 °/A
Dynamic Motor Constant1.2 × 10⁴ rad/(A·s²)
Resonant Frequency130 ± 5 Hz
Bandwidth [Sine Wave ;±2.3 mrad]250 Hz( Sine Wave ,±2.3 mrad)
Typical Transition (Rise) Time1.3 ms
Settling Time4 ms
Mirror TreatmentProtected Gold Coating, Near-Infrared Dielectric Coating; 1064 nm High Power, Customizable
Reflectance [Protected Gold ; Wavelength 800–2000 nm; Angle of Incidence 0–45°]>95%
Reflectance [Near-infrared dielectric coating; wavelength 750–1100 nm; incidence angle 0–45°]>98%
Reflectance [1064 nm High Power ; Wavelength 1060–1100 nm; Angle of Incidence 58–70°]>99.9%
Surface Quality5/ 5×0.4; L1×0.06; C3×0.25; ISO 10110, equivalent to scratch-dig 60/40
Mirror Flatness [1100 nm; Peak-to-Valley Value]2 λ (1100 nm) peak-to-valley
Damage Threshold LIDT [10 ns pulses; 10 Hz; ISO 21254; 1064 nm high-power coating]10 J/cm², 10 ns Pulses, 10 Hz, ISO 21254 (1064 nm High-Power Coating)
Maximum Continuous Current [RMS; Single Axis]300 mA
Maximum Continuous Current [RMS; Dual Axis; Per Channel]200 mA
Maximum Peak Current [Continuous 10 ms]1 A
Average Power Consumption< 4 W
Nominal Driver Resistance (Per Channel)9.8 Ω
Temperature SensorILM75BTP,147 or compatible model; I2C-address: 1001100x (R: 0x98 / W: 0x99)
EEPROMM24C64-FMC6TG or compatible model; I2X-address: 1010000x (R: 0xA0 / W: 0xA1)

Key Features

A single large optical surface with two-dimensional freedom of motion Linear current-to-tilt response Bearing-free design: no particle generation, wear or friction Suitable for high-power lasers

Datasheet

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Supplier Information

Si
Sinteclaser
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Wuhan Sintec Optoelectronics Technology Co., Ltd. is a high-tech enterprise and a specialized and sophisticated 'Little Giant' enterprise at the upstream of the domestic laser industry chain. The company focuses on the R&D, manufacturing, sales and service of lasers and laser accessories. Its main products include femtosecond lasers, picosecond lasers, acousto-optic modulators, optical components, etc., widely used in laser equipment manufacturing, scientific research and other fields. Located in Wuhan Optical Valley, with a modern industrial park, the company provides one-stop personalized services for the laser industry, with customers all over China and products exported overseas.

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FMR Series Compact Precision Beam Mirrors FMR-20 FMR-20-PG-0.2x0.2D-M
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