| Customized: | Customized |
|---|---|
| Standard Component: | Standard Component |
| Type: | Laser Source |
| Wavelength: | 1550nm |
| Output Power: | >&=6dBm |
| Return Loss: | >&=45dB |
| Samples: |
|---|
| Customization: |
|---|
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Audited Supplier External modulation technology, with the laser working in direct current, has the advantages of no laser chirp, low dispersion distortion, large extinction ratio, and high speed. It also has the disadvantages of high cost and high difficulty in manufacturing.
Direct modulation will lead to high laser chirp (Laser's bias current is modulated by signal and the optical spectrum shifts and shakes). Laser chip will interact with dispersion effect caused by standard single mode fiber (SMF-28), which will generate serious distortion in the place of 1550nm. This kind of distortion will become more serious with the increase of
transmission distance, bandwidth and channel number.
At present, international high performance 1550nm direct modulation has no obvious performance inferior while transmitting an analog and digital multiplexing full channel signal with transmission distance≤15Km or transmitting digital load with transmission distance≤40Km.
HT1504 is a 1550nm direct modulation optical transmitter with high index and AGC function. It adopts high linearity and low chirp DFB laser, built-in pre-distortion compensation and AGC, APC, ATC closed loop control, which improves the system index obviously. HT1504 direct modulated optical transmitter can be used in FTTx (≤10Km) of second-grade service area (Sub-HE), also can be used in WDM narrow-band multiplexing and IP/QAM.
1. Low chirp, high linearity DFB laser, chirp compensation
2. Dual module RF driver , high efficient laser pre-distortion adjustm
3. Full-automatic OMI control, AGC & MGC
4. Intuitionistic modulation status display
5. Built-in dual back-up power supply, switch automatically
6. Casing temperature auto-control, ensure the long life of the laser
1. Provide IPTV, VOD value-added service in second-grade service area (sub-headend).
Analog digital mixed transmit <15Km (common distance ≤ 10km).
Pure digital load <40Km.
2. WDM narrow band multiplex >70Km.
| Performance | Index | Supplement | ||
| Optic feature | Wavelength | (nm) | 1550 | Optional 1310 |
| Side mode suppression ratio | (dB) | ≥40 | SMSR | |
| Equivalent noise intensity | (dB/Hz) | ≤-150 | RIN (20~1000MHz) | |
| Output power | (dBm) | ≥6 | ||
| Return loss | (dB) | ≥45 | ||
| optical fiber connector | SC/APC | Optional FC/APC | ||
| RF feature | Work bandwidth | (MHz) | 47-1000 | |
| Input level | (dBmV) | 22±5 | AGC | |
| Flatness | (dB) | ≤±0.75 | 45~1000MHz | |
| Return loss | (dB) | >16 | ||
| Input impedance | (Ω) | 75 | RF/INPUT | |
| RF test | (dB) | -20 | ||
| Link feature | Transmit channel | PAL-D/60CH | NTSC/80CH | |
| CNR | (dB) | ≥51 | -1dBm receive | |
| CTB | (dB) | ≤-63 | ||
| CSO | (dB) | ≤-57 | ||
| SBS restrain | (dBm) | ≥17 | ||
| General feature | Power supply | (V) | +8V/1A | |
| Power Consume | (W) | ≤50 | Single power works | |
| Work temp. | (°C) | -5~65 | Machine temp. control automatically | |
| Storage temp. | (°C) | -40~85 | ||
| Relative humidity | (%) | 5~95 | ||
| Size | (mm) | 143×167×27 | (W)x(D)x(H) | |
Q: I want to customize the Fiber diameter. Can you do it?
A:Yes, all of our laser's output fiber core diameters can be customized as customer requirements. Common specifications for 20/400, 30/250,50/360, 100/120/360. You can check with us if you have other special needs.
Q: Can you do OEM Fiber Lasers?
A: Yes, if you meet the requirements, we can do some OEM for you.
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