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LD,PD,FSK,WDM

FIBER OPTIC PRODUCTS

LD (LASER DIODE)

FEATURE

  • InGaAsP/InP MQW-DFB laser diode (LD)
  • CW or pulsed operation, 2.5GHz modulation
  • Low threshold current and high slope efficiency
  • Compact, reliable receptacle & coax fiber-coupled package
  • Single-mode or Multi-mode Fiber Pigtailed with Optional Connector
  • Customizing Design According to Customer Request

APPLICATION

  • Fiber Optic Repeater System
  • CATV, CCTV and PTTH
  • Local Area Networks
  • Test Equipment
  • Fiber Optic Sensor

OPTICAL REQUIREMENT

NO PARAMETER UNIT SPECIFICATION
1 Laser Peak Wavelength nm 1310/1330/1510/1530/1550/1570/1590
2 Spectral width nm <1nm(-20db)
3 Normal output power, Pf mW >3mW
4 Optical isolation of output isolator dB >30dB

ELECTRICAL PERFORMANCE (LASER DIODE)

NO
Parameter
Unit
Specification
1 Operating voltage V <2V @ Pf=3mW
2 Operating current mA <100mA @ Pf=3mW
3 Threshold current mA <20mA
4 Slope efficiency - 0.05<η<0.25 W/A (Sumitomo Laser Diode)
5 Series Resistance - 4<RLD<8Ω
6 Bandwidth GHz >2.5GHz, -3dB
7 Relative Intensity Noise, RIN dB/Hz -158dBm/Hz at 800MHz, -154dBm/Hz at
1.6GHz, -150dBm/Hz at 2.2GHz
8 3rd Order Inter Modulation dBc Under -63dBc at 2.2GHz

ELECTRICAL PERFORMANCE (LASER DIODE)

NO
Parameter
Unit
Specification
1 Monitor mA 0.1<η<1.2 mA @ Pf =3mW, VRPD =5V
2 Operating current mA <0.1uA
3 Threshold current mA ± 1dB, -25 to +85°C referenced to Pf =3mW @ +25°C

MECHANICAL REQUIREMENTS [Unit: mm]

SAFETY INFORMATION ON THIS PRODUCT

1. Even though barely visible to the human eye, laser beam can be harmful to the eye. Do not look at the beam though lenses when the diode is activated
2. When adjusting the optical axis or making similar adjustments,we recommend that be sure to wear protective glasses
3. A glass-fiber is attached on the product, Handle with care

PD (PHOTO DIODE)

FEATURE

  • Plane structure InGaAs photo-detector with high linearity
  • Operation at 910nm~1650nm
  • Low capacitance,Low return loss and Low dark current
  • High Responsivity
  • Customizing Design According to Customer Request

APPLICATION

  • Fiber Optic Repeater System
  • CATV, CCTV and PTTH • Video link
  • Test Equipment

OPTICAL REQUIREMENT

NO
Parameter
Unit
Specification
1 Wavelength nm 1100~1700
2 Dark current Na < 1nA (@ Vr=5V)
3 Reverse Breakdown Voltage V 30V (@ lrd=100uA)
4 Capacitance Pf < 1pF (@ Vr=5V)
5 Frequency Response MHz 1~3000MHz (@ -3dB, Vr=5V)

ELECTRICAL PERFORMANCE

NO
Parameter
Unit
Specification
1 Responsivit AW >0.85mA/mW @ 1310nm
>0.9mA/mW @ 1550nm
2 Back Reflection Db < -45dB
3 Detection Range nm 1100nm to 1700nm ( @ Vr=5V)
4 Operating Temperature ℃ -25~75

MECHANICAL REQUIREMENTS [UNIT: mm]

1. Fiber length in assembly
2. Optical Fiber(Single mode) : According to ITU-T G.652.A or better (For example Corning SMF-28e)
3. Optical Connector : SC/APC
4. Customizing Design According to Customer Request

SAFETY INFORMATION ON THIS PRODUCT

1. Even though barely visible to the human eye, laser beam can be harmful to the eye. Do not look at the beam though lenses when the diode is activated
2. When adjusting the optical axis or making similar adjustments,we recommend that be sure to wear protective glasses
3. A glass-fiber is attached on the product, Handle with care

FSK MODEM

FEATURE

  • Data Rate up to 1920bps
  • Stablility Tx Out power
  • High Sensitivity
  • High Performance and Compact size

APPLICATION

  • Fiber Optic Repeater System
  • RF Repeater System
  • Remote monitoring and control

MECHANICAL REQUIREMENTS [UNIT: mm]

NO
Parameter
Unit
Specification
1 Frequency MHz TX 29.9 / RX 26.9 MHz
TX 26.9 / RX 29.9MHz
2 Receiver Sensitivity dBm -10~ -75dBm -71dBm setting
Refer to (1)
Frequency Deviation KHz 40KHz / ±15 KHz
3 Spurious 2nd Harmony dBc -60dBc min. -
3rd Harmony -70 dBc min
4 Transmitter Output Power dBm -10 ±2dBm Customized
Frequency Shift KHz H:fo+20 / L:fo-60 KHz

Data 1 = H

Data 0 = L

Deviation '±5kHz
5 Power Input power V 5±0.2 V / 30mA -
6 Data rate bps 19200 bps Refer to (2)
7 Impedance Ω 50 +/-(j)20
8 Operating Temperature Range ℃ -30 ~ +80
9 Storage Temperature Range ℃ -35 ~ +90
NOTE Test conditions: After termination, the above data are measured.
(1) Sensitivity will be -73±3 dBm if there's no special request.
(2) Data Rate will be 19200bps if there's no special request.

MECHANICAL REQUIREMENTS [UNIT: mm]

CWDM / WDM

FEATURE

  • High Isolation and Low Insertion Loss
  • Wide Wavelength Range
  • Coupling Ratioas available according to customer’s requests
  • Customizing Design According to Customer Request
  • Optional Pre-connectorized outputs

APPLICATION

  • Fiber Optic Repeater System
  • Access Network
  • Metro Network
  • CATV, CCTV and PTTH
  • Test Equipment

OPTICAL REQUIREMENTS : 3CWDM

Port
Insertion Loss
Isolation
1310 1.3 >30
1330 1.2 >15
15xx 0.7 >17

OPTICAL REQUIREMENTS : 2WDM

Port
Insertion Loss
Isolation
1310 0.7 >17
15xx 0.7 >17

OPTICAL REQUIREMENTS : OCW82 / OCW73 / OCW64 / OCW55

OCW82 PORT Insertion Loss
20%PORT 7.9
80%PORT 1.2
OCW73 PORT Insertion Loss
30%PORT 6.0
70%PORT 1.9
OCW64 PORT Insertion Loss
40%PORT 4.7
60%PORT 2.7
OCW55 PORT Insertion Loss
50%PORT 3.6
50%PORT 3.6