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Backlight reflectometer
Backlight reflectometer

Backlight reflectometer

LUNA's OBR4600 is one of the fiber backscatter meter series. It is used for testing and troubleshooting optical devices/modules and short-distance optical networks. The ultra-high spatial resolution of the OBR4600 is based on Rayleigh backscattering level sensitivity, with a spatial resolution of 10 microns, zero dead zone, and the ability to integrate temperature and strain testing. The longest test range can reach 2km. It provides excellent test results and troubleshooting functions, and quickly obtains the required parameters in a short time.

Backlight Reflectometer (Figure 1)


Product Details

  LUNA's OBR4600 is one of the fiber backscatter meter series. It is used for testing and troubleshooting optical components/modules and short-distance optical networks. The ultra-high spatial resolution of the OBR4600 is based on Rayleigh backscattering level sensitivity, with a spatial resolution of 10 microns, zero dead zone, and the ability to integrate temperature and strain testing. The longest test range can reach 2km. Provide excellent test results and troubleshooting functions, and quickly obtain the required parameters in a short time.

 

Key Features and Device Benefits

Locate and diagnose fiber bends, splices, connections, breaks, and other faults

Locate all insertion loss locations in short-distance optical networks

Inspect the inside of the device to evaluate RL and IL at each connection

Measure 30m of fiber at 10 micron resolution within 7 seconds

Measure 1m of optical path at up to 3Hz continuous frequency

Test and troubleshoot short-distance optical networks (<2km)

Automatic inspection of fiber assemblies

Monitor the distribution of temperature or strain inside the optical network or optical module

 

 Test performance highlights

-130dB sensitivity

70dB dynamic range

Zero dead zone within 2km measurement range

Insertion loss resolution less than 0.05dB


parameter

Specification

unit

Maximum measuring length

Standard Mode

30 or 70

m

Long distance mode 12

2000

m

Spatial resolution (between two points)1

30m Mode

10μm

70m Mode

20μm

2000 Mode

1mm

Dead Zone


Equivalent to a resolution of 2 points

Wavelength range 2


1270-1340 or 1525-1610

mm

wavelength

Resolution (maximum)

0.02

pm

Accuracy 3

±1.5

pm

Return loss characteristics

Dynamic Range 4

70

dB

Full range

0~ -125

dB

Sensitivity

-130

dB

Resolution 5

±0.05

dB

Accuracy 5

±0.10

dB

Integrated insertion loss characteristics

Dynamic Range 6

18

dB

Resolution 5

±0.05

dB

Accuracy 5

±0.10

dB

Group Delay

Accuracy

1.0

ps

Distributed Sensing 7 12 13

Spatial resolution 8

±1.0

cm

Temperature resolution 9

±0.1

Strain resolution 9

±1.0

μstrain

Measuring time 10

standard

Fast 11

Point Scan 11


5nm scan time

3

1.6

0.3

S

Time vs wavelength range

2.1s+0.14s/nm

1.3s+0.06s/nm

0.15s+0.02s/nm

-

Long distance (2km) scanning time

20

S

 


Industry Applications