Manual No-Gap Broadband Variable Fiber Optical Attenuator — Low-Loss

Features:
  • Broad Wavelength
  • Low Cost
  • High Reliability
  • Low IL, PDL, WDL & TDL

Single-Mode Selection

Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
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SM400
405-532 nm
<1dB
50 dB
50mW
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$969
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
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SM450
480-650 nm
<1dB
50 dB
50mW
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$864
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
SM600
620 – 650 nm
≤0.8dB
50 dB
0.1W
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$697
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
Hi780
760 – 800 nm
≤0.6 dB
50 dB
0.3W
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$658
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
SM800
830 – 870 nm
≤0.5 dB
50 dB
0.3W
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$618
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
Hi980
960 – 1080nm
≤0.6dB
50 dB
500mW
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 90°C
$596
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
Hi1060
960 – 1080 nm
≤0.4dB
50 dB
0.3W
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$554
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
SM28
1020 – 1900nm
≤0.2dB
48 dB
0.8W
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$513
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
Max Optical Power
Polarization DL
Return Loss
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
SM1950
1.7-2.3 µm
≤0.5dB
48 dB
0.8W
0.2 dB@20dB
≥35 dB
-40 to 80°C
-50 to 85°C
$675
buy_now

Polarization-Mode Selection

Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM405
405-532 nm
≤1.1dB
50 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$1,654
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM460
480-650 nm
≤0.9dB
50 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$1,654
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM630
620 – 650 nm
≤0.9dB
50 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$1,236
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM780
760 – 800 nm
≤0.8 dB
50 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$1,012
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM850
830 – 870 nm
≤0.7 dB
50 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$971
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM980
960 – 1080nm
≤0.6dB
50 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$756
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM1550
1260 – 1650nm
≤0.2dB
35 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$676
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Max Attenuation
Extinction Ratio
Return Loss
Max Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
PM1950
1850 – 2200nm
≤0.8dB
35 dB
>20 dB
≥35 dB
500mW
-40 to 80°C
-50 to 90°C
$931
buy_now

Multi-Mode Selection

Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
PDL
Return Loss
Max Optical Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
GIF50
800 – 1600 nm
≤0.1 dB
30 dB
0.01 dB
≥35 dB
1W
-40 to 80°C
-40 to 85°C
$492
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
PDL
Return Loss
Max Optical Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
GIF625
800 – 1600 nm
≤0.1 dB
30 dB
0.01 dB
≥35 dB
1W
-40 to 80°C
-40 to 85°C
$492
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
PDL
Return Loss
Max Optical Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
FG50LGA
400 – 2400 nm
≤0.1 dB
30 dB
0.01 dB
≥35 dB
1W
-40 to 80°C
-40 to 85°C
$513
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
PDL
Return Loss
Max Optical Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
FG105LCA
400 – 2400 nm
≤0.1 dB
20 dB
0.01 dB
≥35 dB
1W
-40 to 80°C
-40 to 85°C
$718
buy_now
Fiber Type
Wavelength Range
Insertion Loss
Maximum Attenuation
PDL
Return Loss
Max Optical Power
Operating Temperature
Storage Temperature
Price
Datasheet
Buy
FG10LDA
700 – 1000 nm
≤0.1 dB
25 dB
0.01 dB
≥35 dB
1W
-40 to 80°C
-40 to 85°C
$513
buy_now
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SKU: MVOA

The Fiber-Fiber™ Series Manual Variable Optical Attenuator (VOA) delivers industry-leading performance with ultra-low insertion loss and continuous, perturbation-free light transmission. Its ultra-broadband operation is limited only by the transmission characteristics of the optical fiber, enabling exceptionally wide wavelength coverage. The patented Fiber-Fiber™ technology utilizes direct fiber-to-fiber coupling through a self-aligned MEMS platform. A microscopic gap of less than 5 μm between the fiber end faces is filled with a proprietary non-fluorescent, index-matching liquid, creating a nearly lossless optical path without the need for lenses, collimators, or anti-reflection coatings. This unique architecture virtually eliminates Fresnel reflections and minimizes insertion loss while maintaining excellent optical fidelity. Unlike conventional attenuators, the Fiber-Fiber™ design preserves beam quality and polarization characteristics while providing smooth, continuous attenuation. The result is superior performance for applications that are highly sensitive to optical loss, back reflections, and signal perturbations, including spectroscopy, optical coherence tomography (OCT), interferometry, fiber sensing, and precision measurement systems. The Fiber-Fiber™ platform is compatible with virtually all optical fibers having a standard 125 μm cladding diameter, including single-mode (SM), multimode (MM), polarization-maintaining (PM), bend-insensitive, double-clad, and specialty fibers. The design supports both small-core and large-core fiber configurations, providing exceptional flexibility for research, industrial, medical, and aerospace applications.

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