Difference between revisions of "Molectron"

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Information on Molectron / coherent laser power meters. Ultimately for the ezlaze project. I'm mostly interested in pyroelectric heads for pulsed power.
 
Information on Molectron / coherent laser power meters. Ultimately for the ezlaze project. I'm mostly interested in pyroelectric heads for pulsed power.
 +
 
=Ecosystem=
 
=Ecosystem=
 +
{| class="wikitable"
 +
|+Summary
 +
!Family
 +
!Connector
 +
!Sensor
 +
!Compatible
 +
Meters
 +
!Memory
 +
!
 +
|-
 +
|J
 +
|DB25
 +
|Joule:
 +
J8
 +
J25
 +
 +
J50
 +
 +
J100
 +
 +
 +
Power:
 +
 +
OP-2
 +
 +
S10
 +
|3sigma
 +
FieldMax-TOP
 +
 +
FieldMax-TO
 +
 +
FieldMate
 +
|25LC320
 +
(SPI)
 +
|Joule sensor: J25 is the most common followed by J50. J8 seems rare
 +
 +
Power sensor: OP-2 might be the most common. S10 seems rare
 +
 +
 +
I've been calling these JSA due to "JSA-BNC", but that name might not be correct
 +
|-
 +
|LM
 +
(LabMax)
 +
|DB25
 +
|LM-2
 +
LM-10
 +
 +
LM-30
 +
 +
LM-45
 +
 +
LM-100
 +
|4omega?<br />
 +
|24C04
 +
(I2C)
 +
|
 +
|-
 +
|LM-P
 +
|DB25
 +
|LM-P10
 +
|
 +
|
 +
|LM-P EEPROM looks slightly different than LM and in fact the LabMax-TOP user manual mentions these sensors are not compatible
 +
|-
 +
|PM
 +
(PowerMax)
 +
|DB25
 +
|PM10
 +
PM150
 +
 +
PM-P (PowerMax-Pro)
 +
|PM5200
 +
|93C46N
 +
(SPI)
 +
|Even if it was electrically compatible w/ JSA EEPROM format is completely different
 +
|}
  
  
Line 8: Line 85:
 
**Interface: DB25
 
**Interface: DB25
 
**Also known as JSA?
 
**Also known as JSA?
−
**3sigma, FieldMax-TOP, FieldMax-TO, FieldMate.
+
**3sigma, FieldMax-TOP, FieldMax-TO, FieldMate
 
**Intended to be used with J25, J50 power probes
 
**Intended to be used with J25, J50 power probes
 
**I also have an S10 energy probe, seems to be compatible
 
**I also have an S10 energy probe, seems to be compatible
Line 16: Line 93:
  
 
Warning: J25 and LM are not compatible.
 
Warning: J25 and LM are not compatible.
 +
 +
Other DB25 probes (none are known to be compatible):
 +
 +
*Ophir
 +
*Laserpoint
 +
*Gentec
 +
*Newport
 +
 +
List of Molectron related power meters:
 +
 +
*3sigma
 +
*4omega
 +
*FieldMate
 +
*FieldMax-TO
 +
*FieldMax-TOP
 +
*Fieldmaster
 +
*LabMax-TOP
 +
**Compatible with LM-, PM-, and PS- model thermopile sensors, and OP-2 and LM-2 model optical sensors. No adapters required.
 +
**Measures energy to 10000 pps and captures every pulse to 1000 pps with J-model and EnergyMax sensors
 +
**LabMax is not compatible with the legacy LM-P model energy sensors <br />
 +
 +
PM official pinout for thermopile sensors
 +
 +
* COHERENT_LaserPowerSensors_FlowRequirements_FittingSpecs_PinAssignments_04-2017mp.pdf
 +
* https://laserpointerforums.com/threads/help-with-lpm-wiring-db25-pinout-pm5200-to-attach-thermopile-sensor.107079/page-2
  
  
Line 47: Line 149:
 
  3sigmaWinApps.zip
 
  3sigmaWinApps.zip
  
 +
Battery
 +
 +
Ni-MH BATTERY
 +
7.2V 3.8 A-h
 +
MOLECTRON
 +
P/N 0012-0100
  
 
==JD1000==
 
==JD1000==
Line 52: Line 160:
 
Power supply: CS-1203000 (12V @ 3A, center positive)
 
Power supply: CS-1203000 (12V @ 3A, center positive)
 
==McMaster==
 
==McMaster==
 +
 +
 +
===J25LP-4 sensor===
 +
 +
Came with 3 sigma in the trash
 +
 +
3Sigma output:
 +
Probe Resp: 1.827E+01 V/J @ 248 nm
 +
Probe Cal Date Dec 8 2008
 +
 +
Head label:
 +
Responsivity
 +
1.828e+1 V/J
 +
Cal: 248 nm
 +
 +
COHERENT
 +
Model: J25LP-4
 +
 +
COHERENT CALIBRATION TAG
 +
DATE CALIB 12/08/08
 +
TECH KH
 +
NEXT DUE 12/08/09
 +
 +
Item #: 0010-8145
 +
Serial #: 0437E03
 +
 +
Shell label:
 +
COHERENT
 +
PROBE SERIAL NO. 0437E03
 +
  
 
===J25LP sensor===
 
===J25LP sensor===
Line 73: Line 211:
 
  Probe Resp: 2.570E-1 A/W @ 514 nm
 
  Probe Resp: 2.570E-1 A/W @ 514 nm
 
  Probe Cal Date Sep 10 2003
 
  Probe Cal Date Sep 10 2003
−
Wavelenth Corr 1064 nm / On
 
−
Attenuation Corr: 1.00E0 / Off
 
−
Area Corr 1.0000 sq cm / Off
 
  
 
DB25 label:
 
DB25 label:
 +
Molectron
 
  MODEL NO.: S10
 
  MODEL NO.: S10
 +
SERIAL NO. 0338H03
 +
 +
DB25 label:
 +
Molectron
 +
SER NO 0338H03
 +
CAL DATE 9/18/03
 +
CAL DUE 9/18/04
 +
TECH B DUNLAP
 +
0011-6322
 +
TRACETABLE TO NIST
 +
 +
Cable label: 0012-2530
 +
 +
 +
 +
25LC320
 +
 +
*32K SPI Bus Serial EEPROM
 +
 +
{| class="wikitable"
 +
|+
 +
!Pin
 +
!Function
 +
!Notes
 +
|-
 +
|1
 +
|
 +
|Silkscreen: Th
 +
|-
 +
|2
 +
|
 +
|Silkscreen: Py
 +
|-
 +
|3
 +
|Sensor +
 +
|Silkscreen: SG
 +
|-
 +
|4
 +
|
 +
|Silkscreen: S1
 +
 +
 +
4, 6, 14,16 shorted
 +
 +
W3 to W4 jumper
 +
|-
 +
|5
 +
|EEPROM CSn
 +
|Pullup resistor to VCC
 +
|-
 +
|6
 +
|
 +
|4, 6, 14,16 shorted
 +
|-
 +
|7
 +
|
 +
|
 +
|-
 +
|8
 +
|
 +
|
 +
|-
 +
|9
 +
|Jumper
 +
|N/C
 +
|-
 +
|10
 +
|Jumper
 +
|10-12 shorted
 +
|-
 +
|11
 +
|Jumper
 +
|10-12 shorted
 +
|-
 +
|12
 +
|Jumper
 +
|10-12 shorted
 +
|-
 +
|13
 +
|EEPROM VSS
 +
|
 +
|-
 +
|14
 +
|
 +
|4, 6, 14,16 shorted
 +
|-
 +
|15
 +
|Sensor -
 +
|
 +
|-
 +
|16
 +
|
 +
|4, 6, 14,16 shorted
 +
|-
 +
|17
 +
|
 +
|
 +
|-
 +
|18
 +
|
 +
|
 +
|-
 +
|19
 +
|
 +
|
 +
|-
 +
|20
 +
|
 +
|
 +
|-
 +
|21
 +
|
 +
|
 +
|-
 +
|22
 +
|EEPROM SCK
 +
|
 +
|-
 +
|23
 +
|EEPROM SI
 +
|
 +
|-
 +
|24
 +
|EEPROM SO
 +
|
 +
|-
 +
|25
 +
|EEPROM VCC
 +
|2.5-5.5V
 +
|}
 +
 +
{| class="wikitable"
 +
|+
 +
EEPROM wiring for read out
 +
!EEPROM pin
 +
!Function
 +
!DB25 pin
 +
!Note
 +
|-
 +
|1
 +
|CSn
 +
|5
 +
|
 +
|-
 +
|2
 +
|SO
 +
|24
 +
|
 +
|-
 +
|3
 +
|WPn
 +
|25
 +
|VCC
 +
|-
 +
|4
 +
|VSS
 +
|13
 +
|
 +
|-
 +
|5
 +
|SI
 +
|23
 +
|
 +
|-
 +
|6
 +
|SCK
 +
|22
 +
|
 +
|-
 +
|7
 +
|HOLDn
 +
|25
 +
|VCC
 +
|-
 +
|8
 +
|VCC
 +
|25
 +
|
 +
|}
  
 
===J-25MB-HE sensor===
 
===J-25MB-HE sensor===
−
 
−
3Sigma output:
 
−
FIXME
 
  
 
Cable label:
 
Cable label:
Line 92: Line 404:
  
 
  Responsitivity
 
  Responsitivity
−
  6.694e + 0 V/J
+
  6.694e+0 V/J
 
  Cal 1064 nm
 
  Cal 1064 nm
  
Line 100: Line 412:
  
 
Relatively cheap impulse buy to compare EEPROM formats
 
Relatively cheap impulse buy to compare EEPROM formats
 +
 +
Significantly more complicated inside. Instead of being a simple BNC out there is a whole bundle of cases. Think this is "heated" version maybe though and there might be a dumber version
 +
 +
 +
Atmel 24C04
 +
 +
*4KB I2C
 +
*PDIP8
 +
*I was going to make an adapter and figure out pinout, but I decided to just clip on instead
 +
 +
{| class="wikitable"
 +
|+
 +
!Pin
 +
!Function
 +
!Notes
 +
|-
 +
|1
 +
|
 +
|
 +
|-
 +
|2
 +
|
 +
|
 +
|-
 +
|3
 +
|
 +
|
 +
|-
 +
|4
 +
|
 +
|
 +
|-
 +
|5
 +
|
 +
|
 +
|-
 +
|6
 +
|
 +
|
 +
|-
 +
|7
 +
|
 +
|
 +
|-
 +
|8
 +
|
 +
|
 +
|-
 +
|9
 +
|
 +
|
 +
|-
 +
|10
 +
|
 +
|
 +
|-
 +
|11
 +
|
 +
|
 +
|-
 +
|12
 +
|
 +
|
 +
|-
 +
|13
 +
|
 +
|
 +
|-
 +
|14
 +
|
 +
|
 +
|-
 +
|15
 +
|
 +
|
 +
|-
 +
|16
 +
|
 +
|
 +
|-
 +
|17
 +
|
 +
|
 +
|-
 +
|18
 +
|
 +
|
 +
|-
 +
|19
 +
|
 +
|
 +
|-
 +
|20
 +
|
 +
|
 +
|-
 +
|21
 +
|
 +
|
 +
|-
 +
|22
 +
|
 +
|
 +
|-
 +
|23
 +
|
 +
|
 +
|-
 +
|24
 +
|
 +
|
 +
|-
 +
|25
 +
|
 +
|
 +
|}
 +
  
 
===3Sigma (eBay) meter===
 
===3Sigma (eBay) meter===
Line 116: Line 545:
  
 
Capacitor exploded when plugged in (presumably due to age). Didn't work after, although some lights turned on. Scrapped
 
Capacitor exploded when plugged in (presumably due to age). Didn't work after, although some lights turned on. Scrapped
 +
 +
==Newport 835==
 +
Newport project: http://hololaser.kwaoo.me/electronics/Newport835.html
 +
 +
I just happen to also have a few Newport 835s. Unfortunately my inventory is:
 +
 +
*Newport 835, S/N 1477: calibrated for 818-SL, S/N 3190
 +
*Newport 835, S/N 1502: calibrated for 818-SL, S/N 3165
 +
*Newport 818-SL, S/N 3191
 +
 +
...which is close but doesn't entirely match. Dumped the EPROM / calibration data though in case I want to play with it in the future
 +
 +
==Liconix 45PM==
 +
My oldest laser power meter. Meter + head both have S/N 9110014.
 +
 +
Completely analog / calibrated  via pots.
 +
 +
==More info==
 +
Source code: https://github.com/JohnDMcMaster/molectron
 +
 +
<br />

Latest revision as of 05:11, 12 November 2021

Information on Molectron / coherent laser power meters. Ultimately for the ezlaze project. I'm mostly interested in pyroelectric heads for pulsed power.

Ecosystem

Summary
Family Connector Sensor Compatible

Meters

Memory
J DB25 Joule:

J8 J25

J50

J100


Power:

OP-2

S10

3sigma

FieldMax-TOP

FieldMax-TO

FieldMate

25LC320

(SPI)

Joule sensor: J25 is the most common followed by J50. J8 seems rare

Power sensor: OP-2 might be the most common. S10 seems rare


I've been calling these JSA due to "JSA-BNC", but that name might not be correct

LM

(LabMax)

DB25 LM-2

LM-10

LM-30

LM-45

LM-100

4omega?
 24C04

(I2C)

LM-P DB25 LM-P10 LM-P EEPROM looks slightly different than LM and in fact the LabMax-TOP user manual mentions these sensors are not compatible
PM

(PowerMax)

DB25 PM10

PM150

PM-P (PowerMax-Pro)

PM5200 93C46N

(SPI)

Even if it was electrically compatible w/ JSA EEPROM format is completely different


Ecosystems:

  • J DB-25 smart probes
    • Interface: DB25
    • Also known as JSA?
    • 3sigma, FieldMax-TOP, FieldMax-TO, FieldMate
    • Intended to be used with J25, J50 power probes
    • I also have an S10 energy probe, seems to be compatible
  • LM DB-25 smart probes
    • Interface: DB25
    • Intended to be used with LM probes

Warning: J25 and LM are not compatible.

Other DB25 probes (none are known to be compatible):

  • Ophir
  • Laserpoint
  • Gentec
  • Newport

List of Molectron related power meters:

  • 3sigma
  • 4omega
  • FieldMate
  • FieldMax-TO
  • FieldMax-TOP
  • Fieldmaster
  • LabMax-TOP
    • Compatible with LM-, PM-, and PS- model thermopile sensors, and OP-2 and LM-2 model optical sensors. No adapters required.
    • Measures energy to 10000 pps and captures every pulse to 1000 pps with J-model and EnergyMax sensors
    • LabMax is not compatible with the legacy LM-P model energy sensors

PM official pinout for thermopile sensors


Lots of good info:

  • Energy Sensors Coherent J25.pdf
  • 2009_LMCCatalog86.pdf


There was a conversion box you could buy at one point though (thermal-smartsensor-adapter-data-sheet.pdf), so it might just be different EPROM format

  • JSA-BNC Adapter
  • 0012-2340: JSA-BNC Adapter for use with 3sigma, FieldMax-TOP, and FieldMax-P
  • 1056827: SmartSensor Adapter for use with 3sigma, FieldMax-TOP, FieldMax-TO,and FieldMate
  • Automatically configures itself to work with LM-model sensors


J25

TODO: figure out pinout, EEPROM format so I can recal and upgrade adapters

LM

3Sigma

File archive: 

3sigmaAppQuickRef.pdf
3sigmaLVDriverUG.pdf
3sigma_LV_Driver.zip
3sigma Users Manual.pdf
3sigmaWinApps.zip

Battery 

Ni-MH BATTERY
7.2V 3.8 A-h
MOLECTRON
P/N 0012-0100

JD1000

Power supply: CS-1203000 (12V @ 3A, center positive)

McMaster

J25LP-4 sensor

Came with 3 sigma in the trash

3Sigma output: 

Probe Resp: 1.827E+01 V/J @ 248 nm
Probe Cal Date Dec 8 2008

Head label: 

Responsivity
1.828e+1 V/J
Cal: 248 nm

COHERENT
Model: J25LP-4

COHERENT CALIBRATION TAG
DATE CALIB 12/08/08
TECH KH
NEXT DUE 12/08/09

Item #: 0010-8145
Serial #: 0437E03

Shell label: 

COHERENT
PROBE SERIAL NO. 0437E03


J25LP sensor

Came with JD1000. BNC output but no 25 pin adapter

Back: 

MODEL NO: J25LP
SERIAL NO: 238

RESPONSITIVITY
5.10 VOLT/JOULE
337.1 nm

S10 sensor

From 3Sigmal (eBay)


3Sigma output: 

Probe Resp: 2.570E-1 A/W @ 514 nm
Probe Cal Date Sep 10 2003

DB25 label: 

Molectron
MODEL NO.: S10
SERIAL NO. 0338H03

DB25 label: 

Molectron
SER NO 0338H03
CAL DATE 9/18/03
CAL DUE 9/18/04
TECH B DUNLAP
0011-6322
TRACETABLE TO NIST

Cable label: 0012-2530


25LC320

  • 32K SPI Bus Serial EEPROM
Pin Function Notes
1 Silkscreen: Th
2 Silkscreen: Py
3 Sensor + Silkscreen: SG
4 Silkscreen: S1


4, 6, 14,16 shorted

W3 to W4 jumper

5 EEPROM CSn Pullup resistor to VCC
6 4, 6, 14,16 shorted
7
8
9 Jumper N/C
10 Jumper 10-12 shorted
11 Jumper 10-12 shorted
12 Jumper 10-12 shorted
13 EEPROM VSS
14 4, 6, 14,16 shorted
15 Sensor -
16 4, 6, 14,16 shorted
17
18
19
20
21
22 EEPROM SCK
23 EEPROM SI
24 EEPROM SO
25 EEPROM VCC 2.5-5.5V
EEPROM wiring for read out
EEPROM pin Function DB25 pin Note
1 CSn 5
2 SO 24
3 WPn 25 VCC
4 VSS 13
5 SI 23
6 SCK 22
7 HOLDn 25 VCC
8 VCC 25

J-25MB-HE sensor

Cable label: 

COHERENT
Item# 1110748
Model: J-25MB-HE
Serial#: 0984E07R

Responsitivity
6.694e+0 V/J
Cal 1064 nm

LM-10

LM-10 HTD 250-10600nm 10mW-10w 500mJ/cm2 10ns @ 1064n Laser

Relatively cheap impulse buy to compare EEPROM formats

Significantly more complicated inside. Instead of being a simple BNC out there is a whole bundle of cases. Think this is "heated" version maybe though and there might be a dumber version


Atmel 24C04

  • 4KB I2C
  • PDIP8
  • I was going to make an adapter and figure out pinout, but I decided to just clip on instead
Pin Function Notes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25


3Sigma (eBay) meter

Came with CW sensor

3Sigma (dumpster dive) meter

Came w/ sensor + BNC adapter

Screen is messed up

Came with Lemo cable. Doesn't fit trigger ports or anything I can tell

JD1000 meter

Capacitor exploded when plugged in (presumably due to age). Didn't work after, although some lights turned on. Scrapped

Newport 835

Newport project: http://hololaser.kwaoo.me/electronics/Newport835.html

I just happen to also have a few Newport 835s. Unfortunately my inventory is:

  • Newport 835, S/N 1477: calibrated for 818-SL, S/N 3190
  • Newport 835, S/N 1502: calibrated for 818-SL, S/N 3165
  • Newport 818-SL, S/N 3191

...which is close but doesn't entirely match. Dumped the EPROM / calibration data though in case I want to play with it in the future

Liconix 45PM

My oldest laser power meter. Meter + head both have S/N 9110014.

Completely analog / calibrated via pots.

More info

Source code: https://github.com/JohnDMcMaster/molectron


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