Diode Laser Modules - S.M.Laser, Surat

Diode Laser Modules

Features: RBA-Series Diode-Pumped Nd:YAG Laser Modules (10W - 100W)

High Power

Reliable

Efficient

Compact Design

Easy to use

Affordable

The RBA-Series diode pumped laser module has quickly become an industry standard; thousands of these workhorse components are in use around the world. They have proven themselves to be a reliable, high-performance component in DPSS laser systems. The RBA is a second-generation model that includes new features that make it even easier to integrate and service. The RBA Diode-Pumped Laser Module is offered at power levels up to 100 Watts in a simple, compact, and affordable package.

The RBA module is an ideal building block in the development or production of medium power rod laser systems, conversion of existing lamp-based laser designs to diode-pumping, or retrofit of existing arc lamp hardware to provide more stable and reliable operation.

The pump module is completely maintenance-free. It incorporates a Nd:YAG laser rod that is efficiently pumped by a radial array of long life laser diode bars, and delivers excellent gain uniformity and lensing performance. It is ideally suited for multimode applications such as laser marking, and can also provide high beam quality for more precise micro-machining and scientific applications.

The RBA is driven by low voltage electronics. Cooling of the laser is accomplished with a simple recirculating water chiller running on filtered water, eliminating the need for deionized water systems.

Model	Rod Type	Output Power⁴	Diode Bias Voltage⁵	Drive Current⁵	Recommended Driver
RBA20-0.33C2	2mm, YAG¹	10 W	6VDC	0-38A (25A nominal)	LDD3006 LDD-250-30-06OEM
RBA20-0.66C2	2mm, YAG¹	20 W	12VDC	0-38A (25A nominal)	LDD3012 LDD-600-30-12OEM
RBA20-1C2	2mm, YAG¹	35 W(TEM00)	18VDC	0-38A (25A nominal)	LDD3018 LDD-600-30-18OEM
RBA30-1C2	3mm, YAG¹	50 W	18VDC	0-38A (25A nominal)	LDD3018 LDD-600-30-18OEM
RBA30-1C2	3mm, YLF¹	25 W	18VDC	0-32A (20A nominal)	LDD3018 LDD-600-30-18OEM
RBA24-1C2	2mm, YAG¹	50 W(TEM00)	24VDC	0-38A (25A nominal)	LDD2524 LDD-1000-30-24OEM
RBA34-1C2	3mm, YAG²	75 W	24VDC	0-38A (25A nominal)	LDD2524 LDD-1000-30-24OEM
RBA35-1C2	3mm, YAG³	100 W	30VDC	0-38A (25A nominal)	LDD3030 LDD-1000-30-30OEM

¹ Rod length is 63 mm with flat/flat faces and 0.6% Nd doping.

² Rod length is 73 mm with flat/flat faces and 0.6% Nd doping.

³ Rod length is 83 mm with flat/flat faces and 0.6% Nd doping.

⁴ Minimum 1064 nm multi-mode output in a short cavity (165 ± 5 mm, 0.75mCC HR/flat 80%R OC, 90%R for RBA20-0.33C4) CW oscillator, at a maxiumum 25A drive current, arrangement at delivery.

⁵ Required voltage at the pump head stated w/o consideration for inefficiencies in the electrical system. Your DC power supply should be oversized by 30% to allow for these inefficiencies.

^** Pulsed versions available.

Mechanical Drawings

RBA24 & RBA34

RBA35

All versions except RBA34, RBA24 & RBA35

Relay Image of Fluorescence

Laser power

Thermal lensing

Small signal gain

Flow rate vs pressure drop

More Detailed Descriptions of Model Number: RBA30-1C2-FA1

RBA	New version module replacing old RB
30	Rod diameter (20=2.0 mm, 30 = 3.0 mm, etc.)
1	1 diode bar per ASM (this is a 2 if 2 diodes are used) and 3 ASM per heat exchanger and there are 3 heat exchanger for a total of 9, 20W bars = 180W of diode pump power
C	CW (this is a P if the module uses pulsed bars)
2	20W diode bar is used (this is a 4 if a 40W bar is used)
F	Flat rod faces are used (this is a C if curves are used)
A	Rod dopant of 0.6% (some pulsed modules use a 1% dopant and E is used)
1	Standard temperature testing
A less common module is the RBA20-0.33C2-FA1 and the RBA20-0.66C2-FA1

More Detailed Descriptions of Model Number: RBA20-0.33C2-FA1

RBA	New version module replacing old RB
20	Rod diameter (20=2.0 mm, 30 = 3.0 mm, etc.)
0.33	1 diode bar per ASM but only 1 ASM per heat exchanger. There are 3 heat exchanger for a total of 3, 20W bars = 60W of diode pump power
C	CW (this is a P if the module uses pulsed bars)
2	20W diode bar is used (this is a 4 if a 40W bar is used)
F	Flat rod faces are used (this is a C if curves are used)
A	Rod dopant of 0.6% (some pulsed modules use a 1% dopant and E is used)
1	Standard temperature testing

More Detailed Descriptions of Model Number: RBA20-0.66C2-FA1

RBA	New version module replacing old RB
20	Rod diameter (20=2.0 mm, 30 = 3.0 mm, etc.)
0.66	1 diode bar per ASM but only 2 ASM per heat exchanger. There are 3 heat exchanger for a total of 6, 20W bars = 120W of diode pump power
C	CW (this is a P if the module uses pulsed bars)
2	20W diode bar is used (this is a 4 if a 40W bar is used)
F	Flat rod faces are used (this is a C if curves are used
A	Rod dopant of 0.6% (some pulsed modules use a 1% dopant and E is used)
1	Standard temperature testing

RBAT Series Diode-Pumped Nd:YAG Laser Modules 10-100W

The RBA SilentLight series laser module incorporates a number of design enhancements that significantly reduce optical noise and improve beam pointing performance when operating in TEM00 laser resonators. With power ranges from 35W to 100W, the SilentLight module was designed to meet the needs of high finesse (single transverse mode, low noise) Q-switched laser applications.

This reliable and efficient gain module can be used as the engine in new DPSS laser system development and production, or to convert existing lamp-based laser designs to state-of-the-art diode pumping. The Nd:YAG laser rod is side pumped by long lifetime laser diode bars, and the module is cooled by re-circulating filtered water through a simple non DI water chiller system.

Model	Rod Type	Pump Power(w)	Output Power⁴	Diode Bias Voltage⁵	Drive Current⁵	Driver
RBAT20-1C2	2x63mm, YAG¹	180W	35W	18 VDC	0-38A (25A nomimal)	LDD3018 LDD-600-30-18OEM
RBAT24-1C2	2x73mm, YAG¹	240W	50W	25 VDC	0-38A (25A nomimal)	LDD3024 LDD-1000-30-24OEM
RBAT30-1C2	3x63mm, YAG¹	180W	50W	18 VDC	0-38A (25A nomimal)	LDD3018 LDD-600-30-18OEM
RBAT34-1C2	3x73mm, YAG¹	240W	75W	24 VDC	0-38A (25A nomimal)	LDD3024 LDD-1000-30-24OEM
RBAT35-1C2	3x83mm, YAG¹	300W	100W	30 VDC	0-38A (25A nomimal)	LDD3030 LDD-1000-30-30OEM

REA-Series Diode-Pumped Nd:YAG Laser Modules (140W-650W)

The REA Series Laser Module delivers the reliability and performance of diode pumping to high power industrial and scientific laser systems, virtually eliminating the downtime experienced by older lamp-based laser technologies. Drive your laser system up to 650 watts of CW power @ 1064nm.

This reliable and efficient gain module can be used as the "engine" in new laser system development and production, or to convert your existing lamp-based designs to state-of-the-art diode pumping. The Nd:YAG laser rod is pumped by radial arrays of efficiently coupled long lifetime laser diode bars, and delivers good pump uniformity and stable lensing performance. The laser module requires between 60 - 120 VDC diode bias from a reliable solid-state driver, and is cooled by re-circulating filtered water from a simple chiller system.

Model	Rod Diameter¹	Output Power²	Diode Bias Voltage³	Driver Current²
REA4006-1C2H	4x126mm	140W	60 VDC	0-32A (25A nominal)
REA5006-1C4H	5x126mm	250W	60 VDC	0-50A (40A nominal)
REA6306-1C4H	6.35x126mm	275W	60 VDC	0-50A (40A nominal)
REA5008-1C2H	5x126mm	200W	80 VDC	0-32A (25A nominal)
REA5008-1C4H	5x126mm	400W	80 VDC	0-50A (40A nominal)
REA6308-1C4H	6.35x146mm	450W	80 VDC	0-50A (40A nominal)
REA5010-1C4H	5x167mm	500W	100 VDC	0-50A (40A nominal)
REA6310-1C4H	6.35x167mm	550W	100 VDC	0-50A (40A nominal)
REA5012-1C4H	5x167mm	600W	120 VDC	0-50A (40A nominal)
REA6312-1C4H	6.35x167mm	650W	120 VDC	0-50A (40A nominal)

¹ 0.6% Nd doping.

² Minimum 1064 nm multi-mode output in a short cavity (280 ± 5 mm flat HR/flat 70%R OC) CW oscillator arrangement at delivery. Nominal Drive Current 25A and 40A for IC2 and IC4 respectively.

³ Max current is 32A and 50A for IC2 and IC4 respectively. Required voltage at the pump head stated w/o consideration for inefficiencies in the electrical system.

^** Pulsed versions available.

Descriptions of model number: REA6308-1C4-FA1

REA	New version module covering the old style RD and RE Modules
63	Rod diameter (40=4.0 mm, 50 = 5.0 mm, 63 = 6.35 mm, etc.)
08	The number of ASM per heat exchanger (old RD used 6, old RE used 8 and new REA versions have 10 and 12)
1	1 diode bar per ASM (this is a 2 if 2 diodes are used)
C	CW (this is a P if the module uses pulsed bars)
4	40W diode bar is used (this is a 2 if a 20W bar is used)
F	Flat rod faces are used (this is a C if curves are used)
A	Rod dopant of 0.6% (some pulsed modules use a 1% dopant and E is used)
1	Standard temperature testing

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