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LCOS-SLM
- What kind of LCOS-SLM do you manufacture?
- Do you develop the LCOS-SLM system and the LCOS chip itself in-house?
- What wavelengths does LCOS-SLM operate at?
- Can you offer custom LCOS-SLM?
- In order to correct the phase characteristics and flatness of individual devices, do I have to measure them before actual use?
- Does your LCOS-SLM show phase fluctuations/flickering?
- What is the light utilization efficiency of the LCOS-SLM?
- Is there a special interface needed to control the LCOS-SLM?
- What is the laser damage threshold?
- Do you offer demo loans?
- Do you have a price list for the SLM?
- What is the delivery time of the LCOS-SLM?
- What is your standard warranty?
What kind of LCOS-SLM do you manufacture?
Our LCOS-SLM uses parallel-aligned, nematic liquid crystals, and uses a CMOS backplane for the addressing. They are reflective devices.
Do you develop the LCOS-SLM system and the LCOS chip itself in-house?
Yes, the whole system including the CMOS backplane and optical thin film is designed and manufactured in-house by HAMAMATSU. This means that the LCOS-SLM is optimized to the laser wavelength.
What wavelengths does LCOS-SLM operate at?
We offer 8 types to cover wavelengths between 400 nm and 1550 nm.
Can you offer custom LCOS-SLM?
Yes. As mentioned above, all parts of the LCOS-SLM are designed in-house at the HAMAMATSU factory, meaning that there is a higher degree of flexibility with regard to providing customized LCOS-SLM. Please contact us with your exact requirements, and we’ll see what we can do.
In order to correct the phase characteristics and flatness of individual devices, do I have to measure them before actual use?
No, all LCOS-SLMs are delivered with a linear phase characteristic, and an individual flatness correction data is provided.
Does your LCOS-SLM show phase fluctuations/flickering?
We use carefully designed control electronics to electrically drive the LCOS chip. Consequently, the phase fluctuations and flickering are negligible. For further information, please consult us and we can provide further details.
What is the light utilization efficiency of the LCOS-SLM?
The total light utilization efficiency is determined by the reflectivity of LCOS-SLM and also by the circuit loss that is caused by the pixel structure. The reflectivity is determined by the mirror characteristics. Besides the aluminum mirror type, we provide the dielectric multilayer mirror type (02/-03/-05/-13/-16) with high light utilization efficiency up to 97%. The diffraction loss is dependent on the pixel size, fill factor and liquid crystal material of LOC-SLM. The high fill factor achieves a good diffraction efficiency.
Is there a special interface needed to control the LCOS-SLM?
No, all you need is to use a standard graphics card with a DVI output. Ideally, use a card with two ports to have the control on a monitor and the LCOS-SLM on the 2nd port.
What is the laser damage threshold?
It depends if you use the LCOS-SLM (-01/-07/-08 type) with an aluminum mirror or the (-02/-03/-05/-13/-16 type) with the dielectric mirror. The latter can withstand much higher CW and pulsed laser powers. We tested several lasers, and you can find the results in the LCOS-SLM Technical Information (ask us for a copy). If your special laser parameters are not listed, please ask us and we are happy to help ensure you use the LCOS-SLM safely.
Do you offer demo loans?
Yes, we can provide you with a demo system. You can then use the LCOS-SLM in your lab and test its performance directly within your setup. Please contact us to discuss your experiment and arrange the schedule. This demo loan is free of charge for you. We kindly ask you to send it back to our office and summarize your findings on completion of the loan.
Do you have a price list for the SLM?
Price lists are not available. Please contact our sales office for the price of the spatial light modulator of your interest.
What is the delivery time of the LCOS-SLM?
The standard delivery time will depend on the manufacturing cycle. The typical lead time is six to eight weeks from receipt of order though sometimes deliveries can be shorter than this, and we do hold some LCOS-SLM in loan stock should something be urgently required.
What is your standard warranty?
The standard warranty is 12 months from receipt of product.
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