Ultra-low Current Ripple, Ultra-low Temperature Drift Laser Diode Drivers

The series of the diode laser power supply introduced by our company has the advantages of ultra-low current ripple, ultra-low temperature drift, high stability and high reliability. The power supply adopts PWM conversion technology and the overall conversion efficiency is very high. The power supply can be controlled by the front panel operation, or by external devices through the external control interface, and also can be connected to a computer through the RS232 interface for remote control. We fully consider the laser diode LD protection measures with over current, over voltage, over temperature and anti-static protection functions. The power supply has emergency termination laser output function and operation button.

This series of power supplies are divided into external type WZ, built-in type NZ, laboratory type SY (desktop), TT type which can be used independently on the table or integrated into the system, and WK type which is only used for drive a TEC cooler for temperature control. And the output drive and control are diode drive, one or two TEC temperature control, acousto-optic Q-switch control. Also our company can customize all kinds of diode driver according to the specific needs of customers.

1. Diode laser driver STYA-12V12A-1T-SY

STYA-12V12A-1T-SY diode laser driver (hereinafter referred to as "power supply") is one of the laboratory-use (desktop) series of power supplies launched by our company. The characteristics of this series of power supplies are ultra-low current ripple, ultra-low temperature drift, high stability and high reliability. The power supply adopts PWM conversion technology, the overall conversion efficiency is very high. The power supply can be controlled by the front panel operation, or by external devices through the external control interface, and also can be connected to a computer through the RS232 interface for remote control. The power supply design fully considers for the laser diode LD protection measures with over current, over voltage, over temperature and anti-static protection functions. The power supply has emergency termination laser output function and operation button. The front panel of the power supply is designed with local/remote, internal control/external control switch, that is convenient for users to switch to various control modes. Its display screen can display set current, measured current, measured temperature, limit current parameters. At the same time, a data storage unit is designed inside the power supply, which can store power status parameters at any time. The power supply has a limit current setting function. When the limit current is set, the set current during power operation will not exceed the limit value under any circumstances. The power supply has real-time detection and display function of LD temperature, and the control temperature of LD can be adjusted through the front panel. The front panel of the power supply is also designed with a variety of status indicator LED, convenient for users to know the state of power supply. The power supply can also provide an external control interface (DB15) on the rear panel to control external devices, so as to set the current value and start/stop the current operation. The external control interface can also provide real-time current detection signals, power failure signals, and interlock signals of external devices. When the power supply is in the remote control status, the host computer can set the current value of the power supply, the current start/stop operation, query the power supply parameters at any time, accept the power upload information. The main features are as follows:

• Set laser diode LD drive and TEC temperature control as a whole
• Local control and computer remote control are optional
• With external control interface, support external device control
• High efficiency, high precision and high reliability
• Ultra-low current ripple, ultra-low temperature drift
• Current start zero overshoot, current close zero recoil
• Complete over current, over voltage, over temperature and anti-static protection function
• Automatic memory function, at any time to store various power parameters
• With the function of setting current and limiting current setting
• LD temperature setting function
• Interlock signal interface for external equipment
• Key switch, emergency stop switch function
• Full metal housing with zero external radiation interference

Main technical parameters:

2. Diode laser drive power STYA-16V16A-TTS

TYA-16V16A-TT diode laser drive (hereinafter referred to as "power supply") is one of the series LD drive power supplies launched by our company. This series of power supply has the features: can be completely independent use, also can be easily integrated into the system. The power supply adopts PWM control technology and our company's core patent technology, with the overall conversion efficiency is very high, low current ripple, low temperature drift characteristics. The power supply can be either controlled locally by the front panel or through the external control interface, or controlled remotely by the computer. When the front panel is used for control, the power supply also has the function of limiting current setting and automatic storage of power supply parameters. If the power supply is to be integrated into the system or controlled by external devices, just put the "internal control/external control" toggle switch in the "external control" position and then control through the external control interface (DB15). And power supply support computer remote control, through the RS232 interface can realize the setting of current size, current start and stop operation, at any time to query the power of various state parameters, accept all kinds of information uploaded by the power supply. The power supply is designed with the interlocking signal interface of external equipment, which is convenient to realize the interlocking between the power supply and external equipment (water cooler, etc.) under any control mode. The drive current output interface of the power supply can be selected in two ways: 1. Terminal mode, suitable for users of laboratory or integrated systems; 2. Aviation plug mode, suitable for power supply and solid state laser and other relatively fixed connection users. The main features are as follows:

• Full digital design, compact structure, excellent performance
• It can be used independently or integrated into the system
• Local control and computer remote control are optional
• With external control interface, support external device control
• High efficiency, high precision and high reliability
• Ultra-low current ripple, ultra-low temperature drift
• Current start zero overshoot, current close zero recoil
• Complete over current, over voltage, over temperature and anti-static protection function
• With automatic memory function, it can store various parameters of power supply at any time
• It has the function of limiting current setting
• Interlock signal interface for external equipment
• There is a key switch to prevent unqualified personnel from opening
• Full metal housing with zero external radiation interference

Main technical specifications:

List of STYA-16V16A-TT (260W) series LD drivers:

3. Diode laser drive power STYA-06V50A-2T-Q-WZ

STYA-06V50A-2T-Q-WZ diode laser driver power supply (hereinafter referred to as the "Power supply") is designed for LD pumped solid state laser driver, to provide the solid state laser pump source and Q switch required RF signal. At the same time, the power supply also provides TEC temperature control circuit for LD and octave crystal. The TTL pulse generation circuit with adjustable pulse width and frequency and TTL pulse control circuit are designed inside the power supply. The power supply has the conversion function of Q-drive internal control and external control. In Q-drive internal control, TTL pulse and its control are provided by the power supply. In Q-drive external control, TTL pulses and their control are provided by external devices. The power supply also has the function of current internal control and external control conversion, in the current internal control, the power supply current setting and start and stop are operated by the front panel touch screen and other corresponding keys; In current external control, the value of the power supply current is set by the analog signal of the external device, and the start and stop of the current are controlled by the TTL signal of the external device. The power supply has the remote control function, through the RS232 interface and the remote computer communication, can set the current size of the power supply, current start and stop operations, at any time to query the power of various state parameters, accept all kinds of information uploaded by the power supply. The power supply is designed with five common output modes and storage functions. Users can set and store parameters such as current size, pulse width and pulse frequency in common modes in advance, which is convenient for users to operate quickly. The power supply has automatic storage function, the current parameters of the power supply can be stored at any time, and the power will automatically enter the mode of last use when the power is turned on next time. The power supply will also automatically store the user's usage information, so as to query at any time. The design of each link of the power supply has fully considered the requirements of the laser equipment related safety standards, in line with the safety indicators. The main features are as follows:

• Full digital design, compact structure, excellent performance
• Built-in one LD drive, two TEC temperature control
• Built-in TTL pulse generator circuit
• Built-in Q driver and its power supply
• 65K true color LCD display, touch screen control
• Local control and computer remote control optional
• With external control interface, support external device control
• High efficiency, high precision and high reliability
• Ultra-low current ripple, ultra-low temperature drift
• Current start zero overshoot, current close zero recoil
• Complete over current, over voltage, over temperature and anti-static protection

Main technical specifications:

4. Temperature controller STYA-15V15A-WK

STYA-15V15A-WK temperature controller (hereinafter referred to as: temperature control power supply) is a high precision temperature control power supply with fast response, which is designed based on PWM modulation theory, including complete PID algorithm. The actuator of the temperature control power supply is a semiconductor refrigerator (TEC), and the temperature detection device is a thermistor NTC10K.The temperature control power supply supports two-way cooling and heating control. Temperature control power can be controlled through the front panel of the man-machine interface (local), easy to operate. On the front panel, you can set the temperature parameters of the controlled object, display the real-time temperature detection, start and stop the temperature control power, and display the status information of the temperature control power. And temperature control power can also be remotely controlled by computer through RS232 interface. In remote control mode, you can set temperature parameters of the temperature control power supply, query real-time temperature and various status information at any time, start and standby operations of the temperature control power supply, and receive fault information uploaded by the temperature control power supply. The temperature control power supply has the automatic memory function, which will automatically store the related setting parameters. Temperature control power adopts low noise, portable structure design, touch screen and physical keys shared operation scheme. The main features are as follows:

• Digital design, excellent performance
• Local control and computer remote control optional
• 64K true color LCD display, touch screen control
• Complete PID feedback algorithm, PWM modulation mode
• Two-way temperature control, support heating and cooling
• Supports NTC10K temperature sensor
• High efficiency, high precision and high reliability
• Automatic memory function, store various state parameters at any time
• Real-time temperature display and alarm prompt function
• Simple and quick man-machine interface
• Low noise structure design