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Comparing cheap Chinese unbranded laser diode vs NUBM47 and a brande new Z80 diode

min power laser fluorescence (voltage and current)

In this post, we will compare 3 types of laser diodes: a Brand new Z80, NICHIA NUBM44/47 and a Cheap Chinese laser diode (a fake under NICHIA)

 

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Testing of a NUBM44/47 NICHIA laser diode with 2 Tec coolers (Peltier). For laser power measurement we use Fieldbest calorimeter.

Max CW power is about 7.3-7.4 watt

Z80 laser diode - voltage, power current test
NUBM44/47 NICHIA  laser diode – voltage, power current test
Nubm44-47 NICHIA laser diode chart
Nubm44-47 NICHIA laser diode chart

 

Testing of a brand new Z80 laser diode with 2 Tec coolers (Peltier). For laser power measurement we use Fieldbest calorimeter.

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Max CW power is about 8.2-8.4 watt

Z80 laser diode - voltage, power current test new
Z80 laser diode – voltage, power current test new

z80 laser diode chart

 

Testing of a cheap Chinese non-branded laser diode module with 2 Tec coolers (Peltier). For laser power measurement we use Fieldbest calorimeter.

Max CW power is about 5.5-6 watt

Also Chinese laser diodes work very unstable and lose their power after 50-100 hours on average.

Cheap Chinese unbranded lasers - voltage, power current test
Cheap Chinese unbranded laser – voltage, power current test
Chinese unbranded laser diode chart
Chinese unbranded laser diode chart

 

A comparison datasheet for Z80 brand new laser diode vs NICHIA NUBM44/47 and a cheap Chinese non-branded laser diode

Current, AZ80 №1 VoltageZ80 №1 WattageZ80_2 VoltageZ80_2 WattageChinese unbranded, voltageChinese unbranded, wattateNUBM47 voltageNUBM47 wattage
0,293,540,01
0,313,530,02
0,333,360,03
0,493,670,35
0,53,450,35
0,523,690,42
0,61
0,623,810,833,480,09
0,753,820,853,550,87
0,783,540,36
0,993,641,35
13,931,323,941,35
1,013,620,77
1,253,721,88
1,264,031,853,711,25
1,274,051,89
1,474,132,32
1,493,792,37
1,514,122,34
1,523,791,76
1,764,172,73,862,9
1,774,212,823,842,19
24,253,163,92,613,913,35
2,044,283,32
2,253,953,04
2,274,313,654,343,743,973,84
2,484,394,15
2,54,364,034,013,454,014,25
2,754,414,424,454,584,063,834,064,65
34,464,884,494,974,15,05
3,034,114,26
3,254,515,244,555,434,154,594,145,46
3,54,185,84
3,524,555,624,595,824,194,91
3,714,585,874,216,13
3,734,626,09
3,764,245,23
44,626,234,275,414,266,52
4,024,686,5
4,244,315,67
4,254,76,764,36,86
4,274,666,58
4,494,696,814,757,044,337,1
4,534,355,84
4,714,367,33
4,744,797,32
4,774,737,094,385,94
4,874,387,45
4,94,415,97
54,777,28
5,014,837,54
5,214,87,41
5,234,867,67
5,434,837,51
5,464,917,83
5,714,877,57
5,744,957,86
5,924,97,574,987,88

 

A live demo comparing NUBM44/47 with Z80 laser diode  module

10 watt (10000 mw) professional laser cutter / engraver for all CNC machines – advanced cooling system, air nozzle, air compressor.

 

An Endurance laser power measurement test  for 10 watt invincible laser

10 watt basic "Invincible" laser attachment for laser engraving and laser cutting

 

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All Endurance lasers are being tested for 48-72 on our stand before shipping to our customers

 

All about diode laser components — laser diodes, electronics, datasheet.

 

 

 

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