Compact Integrated Optic Chip for Gyroscope

Type

Specifications

Unit

Test condition

request

Remarks

Optical

indicators

Test wavelength

nm

1300-1310

Insertion loss

dB

Room temperature

≤4.0

Insertion loss variation through the whole temperature range

dB

≤0.6

Optical bandwidth

nm

±30

1dB Roll-off Point

Design assurance

Extinction ratio

dB

≥60

Design assurance

Split ratio

%

Room temperature

47/53 ~53/47

Split ratio through the whole temperature range

%

45/55 ~55/45

Optical back reflection Loss

dB

≤-55

Design assurance

Residual intensity modulation

dB

≤1/1000

Fiber tail Polarization cross talk

dB

Room temperature

≤-26

Fiber tail Polarization cross talk, through the whole temperature range

dB

≤-22

Electrical indicators

Half-wave voltage

V

≤4.0

Waveform slope

—

≤1/200

Electrical bandwidth

MHz

≥300

Design assurance

Package

indicators

Types of fibers

input

80μm /165μm

PM fiber

Mode Field Diameter

6.0±0.5μm @1310nm

output

80μm /165μm

PM fiber

1.Fast-axis working

2.Mode Field Diameter

6.0±0.5μm @1310nm

Fiber beat length

mm

2.4~2.8

Fiber length

m

(input)≥4m

(output)≥1.5m

No connector

Device dimensions

mm

20*8*3.2

Environmental indicators

Working temperature

℃

-55~85

Storage temperature

℃

-55~85

Reliability (one-year term)

Insertion loss variation through the room range

dB

≤0.3

Same test equipment：

Storage conditions: Temperature 15–35°C, Relative humidity 20–80%.

Split ratio through  the room temperature range)

%

≤1

Fiber tail Polarization cross talk

dB

Room temperature

≤-26

Waveform slope

—

≤1/200

Half-wave voltage variation

V

≤0.2

Note: Provide beat length data per device or batch. If multiple devices share the same beat length, a single beat length value may be provided, but device serial numbers must be specified.