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  • MOPA Models

The products in the ACE laser range are oscillator and oscillator/amplifier (MOPA) models based on Nd:YVO4 and Nd:YAG operating at 1064nm, with optional harmonic conversion for output in the visible and UV. The lasers provide multi-kilowatt TEMoo pulses in the 1-100kHz range. All models provide very short high intensity pulses, with pulse duration depending on repetition rate and power level. The standard Nd:YVO4 lasers produce 1064nm pulses ranging from ~ 5ns at 100kHz to ~ 1.5ns at 5kHz and below. The Nd:YAG lasers produce 1064nm pulses ranging from ~ 3ns at 10kHz to 1.5ns at 2kHz and below. For those requiring even shorter pulses, Nd:YVO4 laser models (SP and SPX) are available which produce 1064nm pulses down to ~ 500ps.

The ACE MOPA lasers are higher power oscillator/amplifier systems and also have harmonic generation units as standard options. Models in the MOPA range have similar excellent beam quality to the oscillators above, but the added amplifier provides operation to over 2W average power and allows pulses of >200kW peak power.

The PSU/control units for the models in the ACE laser range are available in bench/laboratory format or in 19" cases for rack mounting. All local laser controls and settings are accessed from the front of the PSU/control unit, which also includes an external trigger input port and a sync output port. Single phase input power, the connection to the laser head, the external interlock link, and optional RS232 remote control interface are all accessed on the back panel of the PSU/control unit.

ACE Oscillator Layout

The standard format of the lasers comprises a laser head and PSU/control unit coupled by a flexible umbilical cable. The head is ‘three point’ mounted on a pitch to match that of standard optical tables. Laser system efficiency is very high, obviating the need for water cooling and avoiding the attendant complications.

Figure (1a/b) presents schematics of the standard bench/laboratory format showing the key dimensions of the laser. An umbilical cable (nominally) 2m in length couples the PSU/control unit to the laser head. The laser head includes space for the HGA (Harmonic Generator Assembly) which includes very low loss wavelength separation optics as well as the harmonic crystal(s). The beam exits the head nominally 30mm off the plane of the platform to which the unit is mounted. All local laser controls and settings are accessed from the front of the PSU/control unit, which also includes the external trigger input port and a sync output port. Single phase input power, the connection to the laser head, the external interlock link, and optional RS232 remote control interface are all accessed on the back panel of the PSU/control unit.
 
 

The Laser Head
 
 

Figure (1a)

The standard format for the oscillator laser head showing key dimensions.
 
 
 
 
 
 

The Oscillator PSU
 
 

Figure (1b)

The standard format for the oscillator power supply and control unit showing key dimensions.
 
 
 



ACE MOPA Layout

The standard format of the MOPA laser comprise a larger laser head and a 3U rack mounted PSU/control unit coupled by a flexible umbilical cable. As with the ACE oscillator laser, the head is ‘three point’ mounted on a pitch to match that of standard optical tables.

Figure (2a/b) presents schematics of the standard MOPA format showing the key dimensions of the laser. An umbilical cable (nominally) 3m in length couples the PSU/control unit to the laser head. The laser head includes space for the HGA module. Note: For MOPA models with dedicated 1064nm operation (harmonics not required) a 2U rack mounted PSU/control unit can be used at a modest cost saving. Figure 3 presents a schematic of the 2U rack mounted PSU/control unit.

As with the ACE oscillators, the beam from the MOPA models exits the head nominally 30mm off the plane of the platform to which the unit is mounted. All local laser controls and settings are accessed from the front of the PSU/control unit, which includes the external trigger input port and a sync output port. Single phase input power, the connection to the laser head, the external interlock link, and optional RS232 remote control interface are all accessed on the back panel of the PSU/control unit.
   

MOPA Laser Head
   

 Figure (2a)

The standard format for the MOPA laser head showing key dimensions.
 
 
 
 
 

Rack Mountable Power Supply/Control Unit  
 
 

Figure (2b)

The standard format for the MOPA 3U power supply and control unit showing key dimensions.
 
 
 
 
 

Rack Mountable Power Supply/Control Unit  
 
 

Figure (3)

The standard format for the 2U power supply and control unit showing key dimensions.




As noted in the introduction, AOT are pleased to discuss providing laser units in custom formats. If the standard is not appropriate for your application, please contact the company to discuss your special needs and for a quotation

  

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