- High legibility color screen
- Vega portable laser power meter compatible with all standard Ophir Thermopile, BeamTrack, Pyroelectric and Photodiode sensors
- Rugged, portable and compact.
- Illuminated keys for working in the dark
- Improved Functionality
- Log every point at up to 4000Hz with pyro sensors
- Yes for USB
Please find our softwares
The StarLab application together with an Ophir meter turns your PC or laptop into a full-fledged laser power/energy meter. Supports most Ophir laser power/energy sensors. Up to 8 sensors can be displayed at once on one PC. By using the Ophir COM Object, you can control the device from your own application. Supports the StarLite, Juno, USBI, Nova II, Vega and Pulsar-1/2/4 devices.
The StarCom application together with the Ophir meters that utilize the RS232 protocol turns your PC or laptop into a full-fledged Ophir laser power/energy meter. StarCom supports all major Ophir sensors. Supports the Nova, LaserStar, Nova-II, and Vega meters.
Library supplied for a complete measurement interface with most of our USB speaking devices (StarLite, Juno, Nova-II, Pulsar, USBI, Vega). Makes use of our new COM object.
- Firmware - Vega / Nova
I have multiple sensors. Do I need a specific meter for each sensor or can I use one meter for all of my sensors?
With Ophir's Smart Head technology sensors can be interchanged between different meters easily. The calibration and setting information is stored in the sensors Smart Head connector so it moves with the sensor to the new meter. It is recommended that you power off your Nova meter before removing the sensor, but the new Nova II and Vega meters detect that a sensor has been removed or attached and will power cycle themselves when doing this.
How does an energy meter measure above the maximum frequency at which it can record every pulse?
The energy meters will then sample at close to its maximum frequency. For instance measuring 10 KHz with a PD10 Sensor and Nova II where the maximum frequency for every pulse on the Nova II is 4 KHz: in this case, the Nova II will pick out pulses at a rate of close to 4 KHz and sample them, i.e. the Nova II will record 40% of the pulses.
What is the Ophir meter zeroing and when should it be performed?
In all Ophir instruments, all adjustments, including zeroing internal circuits, are done from the software. This ensures simple and accurate realignment. The zeroing process helps eliminate internal biases in the unit which could affect accuracy of measurements. It is recommended to re-zero the instrument every 2 months for best performance. Specific instructions for doing this are found in the relevant User Manual for each instrument.
Can I use a third party sensor with the Ophir power/energy meters?
No, only Ophir power/energy sensors with the Smart Head connection will work with the Ophir power/energy meters.
Can I upgrade my Nova-II or Vega software by myself or do I have to send it in to an Ophir distributor?
The Power and Energy Meter's software can be upgraded by the customer using Ophir's StarLab PC application available for download from the Ophir website.
1. Attach the Power and Energy Meters to your PC with the USB cable provided with the Power and Energy Meters.
2. Go to the bottom of the StarLab page and download the firmware for your Power and Energy Meters
3. Run the StarLab application
4. Select your Power and Energy Meters device and press Diagnostics
5. Select your meter and press the Upgrade button
6. Follow all the on-screen instructions to successfully reprogram the display.
These instructions, including screen captures, can be found at http://www.ophiropt.com/laser-measurement-instruments/laser-power-energy-meters/software/upgrade-firmware
If the field-upgrade process fails (example, unplug of the USB cable during the upgrade), the Power and Energy Meters will not function properly. Therefore, when turning on the Power and Energy Meters the user gets a blank screen. Note: The Power and Energy Meters can still communicate with the PC. Try to reinstall the Power and Energy Meters software as described above.
Do you sometimes need to see an analog representation of your laser power/ energy on a scope, in parallel to measuring it with a meter? This video will show you how to do that.If you can't see the video please click here
See how easy it is to setup an Ophir power meter and sensor to measure your laser's power and energy.
Learn how to set the correct wavelength for your measurement, even when the wavelength you need is not one of the default wavelengths offered by the meter.
- Yes for USB
Please find our softwares
Carrying case 38x30x11cm. For laser power / energy meter and up to three sensors$195.00In stock
2M USB Cable for Nova II, Vega7E01205
USB to mini DIN cable (2m)$90.00In stock
USB cable (up to 5m)Consult Ophir Representative
USB to mini DIN cable - other lengths to 5m
Replacement battery pack for Nova II / Vega7E14007
Replacement battery pack$45.00In stock
Power and Energy Meters: From Sensors to Displays
From the time the first laser was built, physicists probably thought, “That’s great! Now how do we measure it?” Thus laser power and energy meters were born.
Since lasers are good sources of concentrated heat, it was probably assumed that heat sensing methods would best be employed for measurement. The simplest device to measure heat is a thermocouple. A simple device to measure light is a photodiode. So, some enterprising engineer designed and built such a device. Then they needed an instrument to display the results and give rapid feedback in order to tweak, align, or adjust the laser for maximum output. Early displays were basically analog meters that had a needle on a dial that went from left to right as the laser power went up.
Ophir Power/Energy Meter Calibration Procedure and Traceability/Error Analysis
This document discusses the interpretation and basis for stated measurement accuracy of Ophir Laser Power/Energy meters.
1. General Discussion
2. Combination of Errors and Total Error
3. Analysis of Power and Energy Calibration Errors
4. Detailed Analysis of Power and Energy Calibration Errors
Laser Power and Energy Measurement
Ophir standard power and energy measuring heads and displays all use smart head technology. This means that all the configuration and calibration information is stored in a small memory chip inside the smart head plug, so that when the head is plugged into the display the correct power and energy are read. Except for some OEM heads, this technology is used in all Ophir heads: pyroelectric, photodiode, scanned beams, medical heads, etc.
Which Laser Power Meter is Right for You?
We know that sometimes people really do want the all-in-one pen with compass et al, but other times they really just want the basic product. Before StarLite came around, you had two main options for a laser power meter. You could go down the Vega / Nova II route: top-of-the-line meters that can do pretty much anything you can think of doing with your laser power measurement. Then there’s the more basic meters (Nova / Laserstar), which still have some functionality, but are more affordable options for whomever doesn’t need the ultimate laser power meter.
How to Measure Different Wavelengths with a Laser Power Meter
There’s been some confusion lately about the “laser” setting on an Ophir power meter. Joe will ask: “What if my laser isn’t exactly one of the predetermined wavelengths? Will it still work?” Amanda says, “Can I set the Nova II to 633nm to check how much of that wavelength is in my broadband light source?”
LabVIEW and Ophir Power Meters or PC Interfaces
In order for LabVIEW to work with an Ophir power meter or PC interface, you must install StarLab. LabVIEW does not communicate via the StarLab application. We created a special COM object control for integration intent. You do need to Install StarLab in order to communicate with the device. The installation process of StarLab also installs the necessary USB drivers and registers the OphirLMMeasurement COM object required for LabVIEW (or other user programs) for communication with Ophir power meters and PC interfaces.
Don’t damage your Ophir power meter by using the wrong power supply
Ophir power meters use a 12 VDC power supply that supplies 500 mA. This power supply is reverse voltage to most US products, meaning the outside connection is positive (+) and the inside is negative (-). When connecting a power supply to the Ophir power meter, make sure that the power supply is a 12 VDC 500 mA power supply and that the center is positive (+). Some of the newer Ophir power meters like the Vega and Quasar are dual voltage compatible meaning it does not matter if the power supply is center positive or center negative. It still needs to be 12 VDC and 500 mA, but it can be either a center positive or center negative. It is highly recommended that the original power supply included with the equipment be used and if it is missing that Ophir be contacted for a replacement supply.
How do I know what range, or scale, to set my power/energy meter to? And what happens if I go over range?
Each given range represents one level of gain of an internal amplifier. The electronics, as always, have a limited Dynamic Range. If the measured signal is too low, in other words near the bottom of the range, then it may be lost in the noise and the reading will be inaccurate and noisy. If it’s too high – there may be saturation issues. To give an instrument a usefully wide dynamic range, multiple scales or ranges are used. Switching from range to range can be automatic (“Autorange”), or manual. Autoranging simply starts automatically at the least sensitive range and works its way down the ranges, sampling the signal as it goes, till it finds a range at which the signal is properly detected. Note, by the way, that only in POWER mode is Autoranging available. If we are working in Single Shot Energy mode, there is no Autoranging – simply because when we are measuring a single pulse, the instrument has no opportunity to work its way down the ranges as in Power mode.