«KBTEM-OMO»
JOINT STOCK COMPANY
 
Mirrors

Mirrors (broadband, dielectric, laser and others)  

Brodband dielectric mirrors

Material

BK-7, fine annealed optical glass

 

Diameter Tolerance

12.7- 101.6 mm (0.5- 4.0 in .)

+0/-0.13mm

 

152.4 - 203.2 mm (6.0 - 8.0 in .)

+0/- 0.25 mm

Center Thickness Tolerance (Tc)

12.7- 101.6 mm (0.5- 4.0 in .)

± 0.25 mm

 

152.4 - 203.2 mm (6.0 - 8.0 in .)

± 0.38 mm

Clear Aperture

> central 80% of diameter

 

Chamfers

12.7 - 25.4 mm (0.5 - 1.0 in .)  

0.25- 0.76 mm face width x45°± 15°

 

30- 101.6 mm (1.181- 4.0 in .)

0.38- 1.14 mm face width x45°±15°

 

152.4 - 203.2 mm (6.0 - 8.0 in .)

0.51- 1.52 mm face width x45°± 15°

S2 Surface

Ground

 

Cleaning

Non-abrasive method, acetone or isopropyl

alcohol on lens tissue are recommended

 

Damage Threshold

1000 W/cm2 CW, 10 mJ/cm2 with 10 nsec
pulses within the wavelength range

 



Wavelength Range (nm)

Reflectivity (average)

Angle of Incidence

488—694

Rs, Rp >99%

0-45°

700-950

Rs>99%,Rp>98%

0-45°

632.8

Ravg >80%

0-45°


High Energy Excimer Laser Mirrors 

Material

UV grade fused silica

S1 Surface Accuracy

λ/10 at 632.8 nm over clear aperture

S2 Surface Flatness

λ /10 at 632.8 nm over clear aperture

Clear Aperture

> central 80% of diameter

Surface Quality

40 - 20 scratch-dig

Diameter Tolerance

+0/- 0.25 mm

Thickness Tolerance

± 0.5 mm

Wedge

> 3 arc min

Chamfer

25.4 mm diameter: 0.25—0.76 mm face width x45±15º

 

50.8 mm diameter: 0.38—1.14 mm face width x45±15º

Cleaning

Non-abrasive method, acetone or isopropyl alcohol on lens tissue are recommended

Damage Threshold

1 MW/ cm2 CW, 1 wavelength J/cm2 with 10 nsec pulses at the center

Laser Type

Central Wavelength (nm)

Angle of Incidence

Reflectivity

ArF

193

Runpol>98%

KrF

248

Rs, Rp>99%

XeCl

308

Rs, Rp>99%

XeF

351-353

Rs, Rp>99%

ArF

193

45°

Runpol>95%

KrF

248

45°

Rs, Rp>99%

XeCl

308

45°

Rs, Rp>99%

XeF

351-353

45°

Rs, Rp>99%


High Energy ND :Yag Laser Mirrirs 

Material

UV grade fused silica

Surface Flatness S1

λ /10 at 632.8 nm over clear aperture

Surface Flatness S2

λ /10 at 632.8 nm over clear aperture

Clear Aperture

>= central 80% of diameter

Surface Quality

40 - 20 scratch-dig

Diameter Tolerance

+0/- 0.25 mm

Thickness Tolerance

± 0.5 mm

Wedge

<= 3 arc min

Chamfer

25.4 mm diameter: 0.25- 0.76 mm face width x45±15°

 

50.8 mm diameter: 0.38- 1.14 mm face width x45±15°

Cleaning

Non-abrasive method, acetone or isopropyl alcohol on lens tissue are recommended

Damage Threshold

1064 nm: 5 MW/cm2 CW, 5 J/cm2 with 0.1-100 nsec pulses

 

532 nm: 2.5 MW/cm2 CW, 2.5 J/cm2 with 0.1-100 nsec pulses

 

354.7 nm: 1 MW/cm2 CW, 1 J/cm2 with 0.1-100 nsec pulses

 

266 nm: 1 MW/cm2 CW, 1 J/cm2 with 0.1-100 nsec pulses

Laser Type

Wavelength (mm)

Angle of Incidence

Reflectivity

Nd:YAG (1)

1064

Rs>99.7%,Rp>99%

Nd:YAG (2)

532

Rs>99.7%,Rp>99%

Nd:YAG (3)

354.7

Rs>99.7°/o,Rp>99%

Nd:YAG (4)

266

Rs>99.7%,Rp>99%

Nd:YAG (1)

1064

45°

Rs>99.7%,Rp>99%

Nd:YAG (2)

532

45°

Rs>99.7%,Rp>99%

Nd:YAG (3)

354.7

45°

Rs>99.7%,Rp>99%

Nd:YAG (4)

266

45°

Rs>99.7%,Rp>99%


Laser Broadband 45° Mirrors 

Material

BK-7, grade A, precision annealed optical glass

Surface Flatness

λ /10 at 632.8 nm over clear aperture

Clear Aperture

>= central 80% of diameter

Surface Quality

40 - 20 scratch-dig

Diameter Tolerance

+0/- 0.25 mm

Edge Thickness Tolerance (Te)

± 0.38 mm

Wedge

30±15arc min

Chamfer

0.5± 0.25 mm face width x45± 15°

Angle of Incidence

0-10°

S1 Coating

Rs>99%, 700-930 nm, Rp>99%, 730-870 nm

S2 Coating

None

Cleaning

Non-abrasive method, acetone or isopropyl alcohol on lens tissue are recommended


Laser High Reflecting Pump Mirrors 

Material

BK-7, fine annealed optical glass

S1 Surface Accuracy

Plano , λ /10 flatness at 632.8 nm over the clear aperture Concave,

λ /5 irregularity at 632.8 nm over the clear aperture

S2 Surface Flatness

Concave, λ /10 at 632.8 nm over clear aperture

Clear Aperture

>= central 80% of diameter

Surface Quality

40 - 20 scratch-dig

Diameter Tolerance

+0/- 0.25 mm

Edge Thickness Tolerance (Te )

± 0.25 mm

Wedge

Flat mirror, 30±15 arc. min

Chamfer

0.5± 0.25 mm face width x45± 15°

Angle of Incidence

0-15°

S1 Coating

Rs,Rp>99%, 710-890 nm, Ts, Tp>95%, 488-532 nm, 0-20° AOI

S2 Coating

Broadband, multilayer antireflection coating, Ravg <0.5%,430-700 nm, 0-15° AOI

Cleaning

Non-abrasive method, acetone or isopropyl alcohol on lens tissue are recommended


Laser Line Dielectric Mirrors  

Diameter Tolerance

12.7- 101.6 mm (0.5- 4.0 in .)

+0/-0.13mm

 

 

152.4 8.0 in .) x 203.2 mm (6.0 x

+0/-0.25mm

Center Thickness Tolerance (Tc)

12.7- 101.6 mm (0.5- 4.0 in .)

 

± 0.25 mm

 

 

152.4 203.2 mm (6.0 x 8.0 in .) x

± 0.38 mm

Clear Aperture

> central 80% of diameter

 

Chamfers

12.7 25.4 mm (0.5 x 0.1 in .) x

0.25- 0.76 mm face width x45°± 15°

 

30- 101.6 mm (1.181- 4.0 in .)

0.38- 1.14 mm face width x45°± 15°

 

152.4 x 203.2 mm (6.0 x 8.0 in .)

0.51- 1.52 mm face width x45°± 15°

S2 Surface

Ground

 

Cleaning

Non-abrasive method, acetone or isopropyl alcohol
on lens tissue are recomended

 

Damage Threshold

WL=325 nm, 500 W/cm2 CW, 0.25 J/cm2
with 10 nsec pulses at 325nm

 

 

WL=1064 nm, 1000 W/cm2 CW, 10 J/cm2 with 10 nsec

pulses within the wavelength range

 

 

All others, 1000 W/cm2 CW, 0.5 J/cm2 with
10 nsec pulses within the wavelength range

 



Laser Type

Central Wavelenght (nm)

Wavelength Range (nm)

Reflectivity

Angle of Incidence

HeCd

325

325

Rs,Rp>99%

0-45°

HeCd

441.6

441.6

Rs,Rp>99%

0-45°

Argon-Iron

488—514.5

488—514.5

Rs,Rp>99%

0-45°

HeNe

632.8

632.8

Rs,Rp>99%

0-45°

Nd:YAG

1064

1030-1090

Rs,Rp>99%

0-45°

Diode

1300

1290-1350

Rs,Rp>99%

0-45°

Diode

1550

1520—1580

Rs,Rp>99%

0-45°