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47~2400MHz FTTH CATV & SAT-TV Optical Receiver
HRS-24-H1
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HRS-24-H1 product series is a kind of CATV & SAT-IF optical receiver with high-performance and high-index. 7~2400MHz operate bandwidth. Output level Vo=86dBμV ( Pin=-2dBm ), suitable for FTTH, FTTP fiber access network. It is a low power consumption, high performance and excellent cost performance CATV & DBS network ONU(Optical network unit). This series product adopts high sensitivity receiving tube and special low noise matching circuit. Under 3.8% modulation, when transmitting in full channels and with receiving power of –8dBm, the CNR can still reach high index of 48dB and low inter modulation index. If adopting HRS-24-H1, it is only need very low optical power to reach 48dB CNR required by the user.
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4-Band SAT-IF & CATV Overlay Direct Modulated Optical Transmitter
HDS-55A ( 47~862 & 950~5500MHz )
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HDS-55A series 1550nm wide band micro-wave internal modulation optical transmitter, HDS-55A's working bandwidth covering range is 47~862 & 950~5500MHz. It can transmit multi (stacker) 4-way SAT-IF signal and CATV signal by a fiber, to realize one satellite-four polarization-4 way SAT-IF signal of 950~5500MHz (or different satellite 4 way SAT-IF signal), and 47~862 MHz CATV signal, all replacement a fiber to transmit. Users can simultaneously receive all full TV contents of satellite video carried and CATV's analog digital TV. It can provide high quality satellite TV and CATV service up to 3000 SDTV or 600 HDTV channel.
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Coherent Optical Communications
Generate high-bandwidth, complex modulation format optical signals with our high-performance coherent optical communications solutions.
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O-E PROBE
O-E probe is the unit to convert optical signals to electrical signals. It can be connected to Oscilloscopes or data loggers via a BNC connector and monitor the conversion waveform. It can acquire the optical signal easily by just pointing the optical fiber probe at the light source. Recently, more and more light sources utilize optical modulation for next generation lighting such as LED. Acquiring the emission timing is required to measure the emission phenomenon of the light source. This O-E probe unit is the ideal tool for these tasks.
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Power Meter
OrienTek Optical Technology Ltd.
Power Meter and the Visual Fault Locator.The Optical Power Meter can measure dBm,dB and uW in the wavelength band of 850,1300 1310 1490 1550 and 1625nm.The Visual Fault Locator uses CW mode and Modulation mode and helps to detect the optical cable of up to 10km. Battery performance 50 hours operation,Dust and shock proof design,Auto Shut off function.
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DPSK Demodulator
Optical differential-phase shift keying (DPSK) provides a desired modulation format that offers high receiver sensitivity, high tolerance to major nonlinear effects in high-speed transmissions, and high tolerance to coherent crosstalk. In DPSK, data information is carried by the optical phase difference between adjacent bits. For direct detection of DPSK signal (by conventional intensity detectors), a DPSK demodulator is needed to convert the phase-coded signal into an intensity-coded signal.
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Semiconductor Optical Amplifier
SOA
Amonics SOA is a polarization maintaining optical amplifier with high fiber-to-fiber gain. It is designed for transmitter applications to increase optical launch power to compensate for the loss of other optical devices. The benchtop version incorporates a user-friendly front panel housing a LCD monitor display, key switch, power control knob and optical connectors. RS232 computer interface is also equipped on the rear panel. 1MHz with 10ns pulse width intensity modulation is available. The OEM module version is an ideal building block for OEM system integration, especially in optical communication network and CATV applications. It requires only a single +5V power supply.
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Variable Attenuators
Wuhan Sunma Technology Co., Ltd.
SunmaFiber offer optical variable attenuator is used for continuously variable optical signal attenuation. As the attenuator is used in the laser system for the on-line testing, there can be used in the digital system of communication devices (such as:PHD, SDH) and also in the system of adopting analog modulation (CATV).
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Arbitrary Waveform Generators
Helps you to generate with confidence waveforms of almost any imaginable shape: complex signals like digital modulations, RF stimuli for functional and performance tests, radar simulation, optical communication and electronic warfare can be created through an easy to use interface.
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47~2600MHz Satellite TV & Digital TV 1550nm Externally Modulated Optical Transmitter
HES-26D
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HES-26D series 1550nm external modulation optical transmitter can transmit 47~2600MHz analogue signal and digital signal via one single fiber by frequency division multiplexing. It is compatible with any FTTx PON technology, and provides a complete set of high quality low cost fiber trunk transmission and fiber to the building (FTTB), fiber to the house (FTTH) solution for the direct broadcast satellite TV (DBS) and cable analogue TV (CATV) fusion.
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Four outputs FTTB CATV optical receiver
B9428
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai B9428 product series, 47~862MHz operate bandwidth, output level Vo=88dBμV ( Pin=-2dBm ), suitable for FTTP optical fiber access network, which is a low power consumption, high performance, and excellent cost performance RFTV broadcast network ONU(Optical network unit). This series of product adopts high sensitivity receiving tube and Huatai special low noise matching circuit Under 3.8% modulation, when transmitting in full channels and with receiving power of -10dBm, the CNR can still reach high index of 45dB. Therefore, if adopting B9428, it is only need very low optical power to reach 45dB CNR required by the user.
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With SAT-IF input EDFA
HA4600/IF
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HA4600/IF series, is narrow-band multiplexing EDFA suitable for L-Band fiber link application. With build-in 1550nm Internal Modulation SAT-IF optical transmitter, used for inter-cutting DBS. The WDM inside will multiply the signal from TX and main line signal that is inputted from outside, then the combined signal will enter EDFA to be amplified to serve the local subscribers. To avoid the interferes caused by mismatching of the optical output power between TX and main line signal from outside, output power of the TX can go through a VOA, thus, it can be adjusted or set from the front panel. This unit is simple and clear, easy to be installed and tested. It offers a high quality and cost-effective solution for inter-cutting DBS into full optic relay 1550nm fiber CATV system and second-stage service area.
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Optical Modulation Analyzer and High-speed Digitizer Test Solution
M8290A
The M8290A is a flexible solution platform for 400G coherent component and transmitter test. It incorporates a 92 GSa/s modular optical modulation analyzer and a 92 GSa/s 4-channel electrical digitizer. Besides these modules an additional arbitrary waveform generator module up to 92 GSa/s, such as the M8196A, can be added to the same AXIe chassis. This setup results in a compact and flexible coherent test solution that can be used together with additional specialized solution software for Integrated Coherent Receiver (ICR) and Analog Coherent Optical (ACO) module characterization.
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47~862MHz & 950~2600MHz CATV & satellite TV External Modulation Optical Transmitter
HES-26A
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HES-26A CATV & satellite TV 1550nm external modulation optical transmitter, adopts external modulation technology, without laser chirp, extremely low dispersion distortion, large extinction ratio. It fits for high ratio, high broadband, long distance telecommunication network application.
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High-speed Fiber Stretcher
PZ1
The PZ1 is the high-speed member of our family of fiber stretchers. It is a fiber wound piezoelectric element for use in a wide range of optical interferometric measurement and sensing system applications. Typical uses include open loop demodulation, sensor simulation, variable optical delay, general purpose fiber interferometry and large angle modulation of interferometric phase.
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Optical Communication Analysis
In lab and manufacturing environments, R&D engineers require scalable and optimized test solutions to enable them to properly characterize new advanced modulation scheme signals for next-generation, ultra-high-speed telecom networks. Through EXFO’s optical communication analyzers, R&D engineers and manufacturing operations involved in the development or production of transmitters or systems based on new high-speed technology will find the right tools for their advanced technology needs.
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Electrical High Speed Digitizer
M8296A
The Keysight M8296A is a four-channel, high-speed electrical digitizer module for the AXIe platform. It can synchronously sample up to four incident waveforms and is ideally suited to digitize the output signals from a dual-polarization coherent receiver. Keysight's vector signal analyzer and optical modulation analyzer software serves as the M8296A's user interface and enables a multitude of test and measurement tasks such as spectral analysis and digital demodulation for the analysis of signal quality metrics like error-vector magnitude. Furthermore, the sampled waveform can be stored and processed with the user's own tools (e.g. using Matlab). The modular approach allows users to combine the M8296A high-speed digitizer with other modules in one mainframe such as the M8292A modular optical modulation analyzer and the M8196A 92 GSa/s arbitrary waveform generator.
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SLED Source Driver
S-108
SLED Source & Driver slot module of FOTS system is an efficient module that can drive a stable high power broadband source and modulate a high power SLED to output a high bit rate optical signal. As a high power broadband SLED source, this module can drive the maximum output power of more than 14 dBm and has a stable wideband source characteristics of >90nm@-20dBm/nm. As a high current (400mA) modulation technique, it shows a high power and high bit rate digital signal of > 155 Mbps with > 13 dBm peak power.
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Stand-alone Software
N4391AU
The analysis software from the N4391A optical modulation analyzer can be used on your PC without any instrumentation. It offers all the analysis capabilities of the N4391A including its advanced signal processing algorithms for complex modulated optical signals. Use this software to process and analyze raw data stored as .sdf, .mat or .csv files from N4391A or N4392A measurements. This capability allows you to work with the data as if you would work directly in front of the instrument. It is an excellent tool for developing your own signal processing algorithms and testing them off-line, together with your MATLAB compiler. In addition, this software is an effective tool for learning basic and advanced concepts of complex optical modulation, based on stored files.
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4-Band SAT-IF Overlay Direct Modulated Optical Transmitter
HDS-55S ( 950~5500MHz )
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HDS-55S series 1550nm wide band micro-wave internal modulation optical transmitter， RF working 950~5450MHz.It cam It can transmit multi( stacker) 4 way SAT-IF signal in one fiber to realize two polarized 4 way SAT-IF signal in one satellite。or 4 way SAT-IF signal in different satellites to convert all of them into one fiber.。Through FTTH，users use ordinary satellite receiver and STB to receive satellite video carrier the integrate TV programs. It can supply high quality of satellite TV service up to 3000 SDTV or 600 HDTV channel.
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Optical Variable Attenuator
JW3303
Shanghai Joinwit Optoelectronic Tech,co.,Ltd
JW3303 handhold optical variable attenuator is used for continuously variable optical signal attenuation. As the attenuator is used in the laser system for the on-line testing, therefore, JW3303 can be used in the digital system of communication devices (such as: PHD, SDH) and also in the system of adopting analog modulation (CATV)
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10G DPSK Demodulator
Optoplex’s Optical DPSK Demodulator, also known as Delay Line Interferometer (DLI), converts phase modulation to amplitude modulation over the entire C+L band in support of data transmission rates of 2.5,10 or 40 Gb/s. The DPSK demodulator is designed for phase modulated optical communication systemsutilized in commercial, defense and space exploration markets. The device plays a key role in improvingsignal quality and performance to meet the expanding demand for higher data rates and more complextransmission formats within current and next generation systems without major capital expenditure.Optoplex’s DPSK Demodulator is based on a patented free-space optical design, which is compact, athermal and polarization-independent. The measured frequency drift over temperature is only ~0.02 GHz/°C for our standard passive device. Further, this DPSK Demodulator exhibits a total polarization-dependent phase shift of less than 2 degrees over the entire operating temperature range with a high extinction ratio. Optoplex’s DPSK Demodulators can be configured to be fully tunable, colorless tunable or purely passive. Dual-Rate DPSK Demodulator is also available.
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Optical Modulation Generator Software
81195A
The Optical Modulation Generator Software 81195A introduces a new approach to optical test. Combined with the M8195A AWG it speeds up your test by a factor of up to 100 with its unique real-time mode. This helps design engineers of long-haul and metro optical transmission applications to maximize test efficiency and thus reduce development time and cost.
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Advanced Type ITU Wavelength Adjustable Externally Modulated Optic Transmitter
HT8500T
Hangzhou Huatai Optic Tech. Co., Ltd.
RFTV is a unidirectional analogue and digital video broadcast. It adopts high efficiency modulation mode for RF carrier wave and its economical efficiency, flexibility and bandwidth validity is beyond comparison of IPTV. By adopting EPON, GEPON or P2P access mode to realize triple-play and FTTx, RFTV broadcasting network in 1550nm optical wavelength still plays an important role and 1550nm externally modulated optic transmitter is the core equipment in this system.
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1310nm Direct Modulated Optical Transmitter
ONT-8600AG
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai 1310nm direct modulation optical transmitter, adopts high linearity DFB laser of famous brand in the world, and builds-in perfect pre-distortion adjustment circuit and laser APC, ATC closed loop control circuit. All the operating parameters are controlled by microprocessor, and the LCD screen on the front panel can display relative operating status and the fault information. Guangtai ONT-8600AG series direct modulation optical transmitter adds AGC function on the base of ONT-8600AF reliable type. It is a universal AGC optical transmitter.
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Reflection Meter
RC-088
This instrument is a special equipment for measuring the reflectivity of rearview mirror (or similar product) of motor vehicle. The product composes intelligent measuring instruments, optical integrating sphere, parallel lamp, standard light source, constant current source etc. It is easy to operate，it can measure the reflectivity quickly and accurately. On instrument structure, it adopts standardized modulation design. It takes latest single chip as its digital central processing element. After the measuring signal is converted by modulus, CPU will do some computation and compensation. The instrument can display the reflectivity of device which is measured in rear time. It operates simply and quickly, the indication is direct and accurate. It’s good for quality examination &control in the production scene as well as laboratories. This product has the convenience &quick demarcation way, can meet requirement of different occasion. It is applicable for measuring light reflection on mirror and not mirror parts.
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SOA Driver
S-109
SOA Driver slot module of FOTS system offers a special function that changes the amplification feature of input optical signal variously, by dynamically driving a built-in SOA module. This SOA Driver is an efficient module that can drive a high gain and low noise amplifier stably and modulate a high power amplified signal up to the rate of 155 Mbps. As a high power amplifier, this module drives the maximum amplified power of more than 10 dBm and has a stable broadband source characteristics of > 0 dBm. As a high-speed modulator of amplified signal combined with high current (400 mA) modulation technique, it outputs a high power and high bit rate amplified signal of > 155 Mbps with > 10 dBm peak power.
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Microwave Wideband Externally Modulated Transmitters (without RF Amp)
MT80 (30KHz~40GHz)
Hangzhou Huatai Optic Tech. Co., Ltd.
MT80 series microwave optical transmitter, adopts external modulation technique, are able to transmit 40GHz microwave RF signal with long distance, wide bandwidth, and flat responsibility. They provide an outstanding linearity fiber optical communication for analogue and digital wideband microwave application. Due to avoidance of using expensive coaxial cable or wave guide, there will be no limitation in transmission distance, which improves the signal quality and reliability of the microwave communication. They can be widely applied in microwave communication system such as remote wireless; timing and reference signal distribution, telemetry, measurement and delay line etc as well as 10Gb/s and 40Gb/s high speed communication system. MT80 adopts low noise, narrow linewidth CW DFB laser as light source; LiNbO3 external modulator as signal modulation, no laser chirp, low dispersion distortion, high extinction ratio, Full-transparency operation mode. It can be applied in long distance and extra-long distance transmission after EDFA.
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Photoelectric Detector
LG-930
The LG-900 series detectors are reflection type optical (LG-916) and photoelectric detectors developed for medium distance detection applications. The LG-916 adopts glass fiber at the tip end and can be protective enough against the external turbulent light because of pulse modulation system as the light projection source. The LG-930 also uses a pulse-lighting method, it is practically unaffected by disturbance light, furthermore, featuring a hybrid structure with the all light-projecting, light-receiving, amplifying, and waveform-shaping sections built into the unit to offer a compact design with easy-to-operate functions. By simply attaching the reflection mark to a rotating object, the detectors can detect the rotation of the object without actually touching the object.
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Optical Modulation
Unlocking the potential of optical modulation at Exail involves navigating a landscape of challenges. Essential objectives include high-speed modulation for efficient data transmission, precise modulation depth control, and minimizing signal distortion. Managing power consumption and ensuring stability across varied environmental conditions are equally critical. These challenges propel us to refine and innovate, meeting the dynamic demands of tomorrow's optical applications.
